connect: support defining intentions using layer 7 criteria (#8839)

Extend Consul’s intentions model to allow for request-based access control enforcement for HTTP-like protocols in addition to the existing connection-based enforcement for unspecified protocols (e.g. tcp).

agent/agent_endpoint.go

@@ -1341,6 +1341,8 @@ func (s *HTTPHandlers) AgentConnectCALeafCert(resp http.ResponseWriter, req *htt
 //
 // POST /v1/agent/connect/authorize
 //
+// NOTE: This endpoint treats any L7 intentions as DENY.
+//
 // Note: when this logic changes, consider if the Intention.Check RPC method
 // also needs to be updated.
 func (s *HTTPHandlers) AgentConnectAuthorize(resp http.ResponseWriter, req *http.Request) (interface{}, error) {

agent/connect_auth.go

@@ -11,10 +11,15 @@ import (
 	"github.com/hashicorp/consul/agent/structs"
 )
 
+// TODO(rb/intentions): this should move back into the agent endpoint since
+// there is no ext_authz implementation anymore.
+//
 // ConnectAuthorize implements the core authorization logic for Connect. It's in
 // a separate agent method here because we need to re-use this both in our own
 // HTTP API authz endpoint and in the gRPX xDS/ext_authz API for envoy.
 //
+// NOTE: This treats any L7 intentions as DENY.
+//
 // The ACL token and the auth request are provided and the auth decision (true
 // means authorized) and reason string are returned.
 //
@@ -97,12 +102,26 @@ func (a *Agent) ConnectAuthorize(token string,
 		return returnErr(fmt.Errorf("Internal error loading matches"))
 	}
 
-	// Test the authorization for each match
+	// Figure out which source matches this request.
+	var ixnMatch *structs.Intention
 	for _, ixn := range reply.Matches[0] {
-		if auth, ok := uriService.Authorize(ixn); ok {
+		if _, ok := uriService.Authorize(ixn); ok {
-			reason = fmt.Sprintf("Matched intention: %s", ixn.String())
+			ixnMatch = ixn
+			break
+		}
+	}
+
+	if ixnMatch != nil {
+		if len(ixnMatch.Permissions) == 0 {
+			// This is an L4 intention.
+			reason = fmt.Sprintf("Matched L4 intention: %s", ixnMatch.String())
+			auth := ixnMatch.Action == structs.IntentionActionAllow
 			return auth, reason, &meta, nil
 		}
+
+		// This is an L7 intention, so DENY.
+		reason = fmt.Sprintf("Matched L7 intention: %s", ixnMatch.String())
+		return false, reason, &meta, nil
 	}
 
 	// No match, we need to determine the default behavior. We do this by

agent/consul/intention_endpoint.go

@@ -288,10 +288,10 @@ func (s *Intention) Apply(
 		}
 
 		if prevEntry == nil {
-			upsertEntry = args.Intention.ToConfigEntry()
+			upsertEntry = args.Intention.ToConfigEntry(true)
 		} else {
 			upsertEntry = prevEntry.Clone()
-			upsertEntry.Sources = append(upsertEntry.Sources, args.Intention.ToSourceIntention())
+			upsertEntry.Sources = append(upsertEntry.Sources, args.Intention.ToSourceIntention(true))
 		}
 
 	case structs.IntentionOpUpdate:
@@ -306,7 +306,7 @@ func (s *Intention) Apply(
 		upsertEntry = prevEntry.Clone()
 		for i, src := range upsertEntry.Sources {
 			if src.LegacyID == args.Intention.ID {
-				upsertEntry.Sources[i] = args.Intention.ToSourceIntention()
+				upsertEntry.Sources[i] = args.Intention.ToSourceIntention(true)
 				break
 			}
 		}
@@ -339,7 +339,7 @@ func (s *Intention) Apply(
 				return fmt.Errorf("Meta must not be specified")
 			}
 
-			upsertEntry = args.Intention.ToConfigEntry()
+			upsertEntry = args.Intention.ToConfigEntry(false)
 		} else {
 			upsertEntry = prevEntry.Clone()
 
@@ -363,13 +363,13 @@ func (s *Intention) Apply(
 			found := false
 			for i, src := range upsertEntry.Sources {
 				if src.SourceServiceName() == sn {
-					upsertEntry.Sources[i] = args.Intention.ToSourceIntention()
+					upsertEntry.Sources[i] = args.Intention.ToSourceIntention(false)
 					found = true
 					break
 				}
 			}
 			if !found {
-				upsertEntry.Sources = append(upsertEntry.Sources, args.Intention.ToSourceIntention())
+				upsertEntry.Sources = append(upsertEntry.Sources, args.Intention.ToSourceIntention(false))
 			}
 		}
 
@@ -712,6 +712,8 @@ func (s *Intention) Match(
 // Check tests a source/destination and returns whether it would be allowed
 // or denied based on the current ACL configuration.
 //
+// NOTE: This endpoint treats any L7 intentions as DENY.
+//
 // Note: Whenever the logic for this method is changed, you should take
 // a look at the agent authorize endpoint (agent/agent_endpoint.go) since
 // the logic there is similar.
@@ -802,14 +804,30 @@ func (s *Intention) Check(
 		return errors.New("internal error loading matches")
 	}
 
-	// Check the authorization for each match
+	// Figure out which source matches this request.
+	var ixnMatch *structs.Intention
 	for _, ixn := range matches[0] {
-		if auth, ok := uri.Authorize(ixn); ok {
+		if _, ok := uri.Authorize(ixn); ok {
-			reply.Allowed = auth
+			ixnMatch = ixn
+			break
+		}
+	}
+
+	if ixnMatch != nil {
+		if len(ixnMatch.Permissions) == 0 {
+			// This is an L4 intention.
+			reply.Allowed = ixnMatch.Action == structs.IntentionActionAllow
 			return nil
 		}
+
+		// This is an L7 intention, so DENY.
+		reply.Allowed = false
+		return nil
 	}
 
+	// Note: the default intention policy is like an intention with a
+	// wildcarded destination in that it is limited to L4-only.
+
 	// No match, we need to determine the default behavior. We do this by
 	// specifying the anonymous token token, which will get that behavior.
 	// The default behavior if ACLs are disabled is to allow connections

agent/consul/intention_endpoint_test.go

@@ -343,6 +343,22 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 
 	defaultEntMeta := structs.DefaultEnterpriseMeta()
 
+	// Force "test" to be L7-capable.
+	{
+		args := structs.ConfigEntryRequest{
+			Datacenter: "dc1",
+			Entry: &structs.ServiceConfigEntry{
+				Kind:     structs.ServiceDefaults,
+				Name:     "test",
+				Protocol: "http",
+			},
+		}
+
+		var out bool
+		require.NoError(t, msgpackrpc.CallWithCodec(codec, "ConfigEntry.Apply", &args, &out))
+		require.True(t, out)
+	}
+
 	opApply := func(req *structs.IntentionRequest) error {
 		req.Datacenter = "dc1"
 		var ignored string
@@ -419,6 +435,10 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 		got := resp.Intentions[0]
 		require.Equal(t, "original", got.Description)
 
+		// L4
+		require.Equal(t, structs.IntentionActionAllow, got.Action)
+		require.Empty(t, got.Permissions)
+
 		// Verify it is in the new-style.
 		require.Empty(t, got.ID)
 		require.True(t, got.CreatedAt.IsZero())
@@ -483,6 +503,10 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 		got := resp.Intentions[0]
 		require.Equal(t, "updated", got.Description)
 
+		// L4
+		require.Equal(t, structs.IntentionActionAllow, got.Action)
+		require.Empty(t, got.Permissions)
+
 		// Verify it is in the new-style.
 		require.Empty(t, got.ID)
 		require.True(t, got.CreatedAt.IsZero())
@@ -502,8 +526,15 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 		Intention: &structs.Intention{
 			SourceName:      "assay",
 			DestinationName: "test",
-			Action:          structs.IntentionActionDeny,
 			Description:     "original-2",
+			Permissions: []*structs.IntentionPermission{
+				{
+					Action: structs.IntentionActionAllow,
+					HTTP: &structs.IntentionHTTPPermission{
+						PathExact: "/foo",
+					},
+				},
+			},
 		},
 	}))
 
@@ -521,6 +552,17 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 		got := resp.Intentions[0]
 		require.Equal(t, "original-2", got.Description)
 
+		// L7
+		require.Empty(t, got.Action)
+		require.Equal(t, []*structs.IntentionPermission{
+			{
+				Action: structs.IntentionActionAllow,
+				HTTP: &structs.IntentionHTTPPermission{
+					PathExact: "/foo",
+				},
+			},
+		}, got.Permissions)
+
 		// Verify it is in the new-style.
 		require.Empty(t, got.ID)
 		require.True(t, got.CreatedAt.IsZero())
@@ -556,10 +598,17 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 				{
 					Name:           "assay",
 					EnterpriseMeta: *defaultEntMeta,
-					Action:         structs.IntentionActionDeny,
 					Description:    "original-2",
 					Precedence:     9,
 					Type:           structs.IntentionSourceConsul,
+					Permissions: []*structs.IntentionPermission{
+						{
+							Action: structs.IntentionActionAllow,
+							HTTP: &structs.IntentionHTTPPermission{
+								PathExact: "/foo",
+							},
+						},
+					},
 				},
 			},
 			RaftIndex: entry.RaftIndex,
@@ -609,10 +658,17 @@ func TestIntentionApply_WithoutIDs(t *testing.T) {
 				{
 					Name:           "assay",
 					EnterpriseMeta: *defaultEntMeta,
-					Action:         structs.IntentionActionDeny,
 					Description:    "original-2",
 					Precedence:     9,
 					Type:           structs.IntentionSourceConsul,
+					Permissions: []*structs.IntentionPermission{
+						{
+							Action: structs.IntentionActionAllow,
+							HTTP: &structs.IntentionHTTPPermission{
+								PathExact: "/foo",
+							},
+						},
+					},
 				},
 			},
 			RaftIndex: entry.RaftIndex,

agent/consul/leader_intentions.go

@@ -383,6 +383,16 @@ func (s *Server) replicateLegacyIntentionsOnce(ctx context.Context, lastFetchInd
 		return 0, false, err
 	}
 
+	// Do a quick sanity check that somehow Permissions didn't slip through.
+	// This shouldn't be necessary, but one extra check isn't going to hurt
+	// anything.
+	for _, ixn := range local {
+		if len(ixn.Permissions) > 0 {
+			// Assume that the data origin has switched to config entries.
+			return 0, true, nil
+		}
+	}
+
 	// Compute the diff between the remote and local intentions.
 	deletes, updates := diffIntentions(local, remote.Intentions)
 	txnOpSets := batchLegacyIntentionUpdates(deletes, updates)

agent/consul/state/config_entry.go

@@ -324,7 +324,7 @@ func insertConfigEntryWithTxn(tx *txn, idx uint64, conf structs.ConfigEntry) err
 func validateProposedConfigEntryInGraph(
 	tx ReadTxn,
 	kind, name string,
-	next structs.ConfigEntry,
+	proposedEntry structs.ConfigEntry,
 	entMeta *structs.EnterpriseMeta,
 ) error {
 	validateAllChains := false
@@ -350,14 +350,11 @@ func validateProposedConfigEntryInGraph(
 			return err
 		}
 	case structs.ServiceIntentions:
-		// TODO(rb): should this validate protocols?
-		return nil
-
 	default:
 		return fmt.Errorf("unhandled kind %q during validation of %q", kind, name)
 	}
 
-	return validateProposedConfigEntryInServiceGraph(tx, kind, name, next, validateAllChains, entMeta)
+	return validateProposedConfigEntryInServiceGraph(tx, kind, name, proposedEntry, validateAllChains, entMeta)
 }
 
 func checkGatewayClash(
@@ -475,7 +472,7 @@ func (s *Store) discoveryChainSourcesTxn(tx ReadTxn, ws memdb.WatchSet, dc strin
 func validateProposedConfigEntryInServiceGraph(
 	tx ReadTxn,
 	kind, name string,
-	next structs.ConfigEntry,
+	proposedEntry structs.ConfigEntry,
 	validateAllChains bool,
 	entMeta *structs.EnterpriseMeta,
 ) error {
@@ -484,6 +481,7 @@ func validateProposedConfigEntryInServiceGraph(
 	var (
 		checkChains                  = make(map[structs.ServiceID]struct{})
 		checkIngress                 []*structs.IngressGatewayConfigEntry
+		checkIntentions              []*structs.ServiceIntentionsConfigEntry
 		enforceIngressProtocolsMatch bool
 	)
 
@@ -503,11 +501,11 @@ func validateProposedConfigEntryInServiceGraph(
 			}
 		}
 
-		_, entries, err := configEntriesByKindTxn(tx, nil, structs.IngressGateway, structs.WildcardEnterpriseMeta())
+		_, ingressEntries, err := configEntriesByKindTxn(tx, nil, structs.IngressGateway, structs.WildcardEnterpriseMeta())
 		if err != nil {
 			return err
 		}
-		for _, entry := range entries {
+		for _, entry := range ingressEntries {
 			ingress, ok := entry.(*structs.IngressGatewayConfigEntry)
 			if !ok {
 				return fmt.Errorf("type %T is not an ingress gateway config entry", entry)
@@ -515,17 +513,43 @@ func validateProposedConfigEntryInServiceGraph(
 			checkIngress = append(checkIngress, ingress)
 		}
 
+		_, ixnEntries, err := configEntriesByKindTxn(tx, nil, structs.ServiceIntentions, structs.WildcardEnterpriseMeta())
+		if err != nil {
+			return err
+		}
+		for _, entry := range ixnEntries {
+			ixn, ok := entry.(*structs.ServiceIntentionsConfigEntry)
+			if !ok {
+				return fmt.Errorf("type %T is not a service intentions config entry", entry)
+			}
+			checkIntentions = append(checkIntentions, ixn)
+		}
+
+	} else if kind == structs.ServiceIntentions {
+		// Check that the protocols match.
+
+		// This is the case for deleting a config entry
+		if proposedEntry == nil {
+			return nil
+		}
+
+		ixn, ok := proposedEntry.(*structs.ServiceIntentionsConfigEntry)
+		if !ok {
+			return fmt.Errorf("type %T is not a service intentions config entry", proposedEntry)
+		}
+		checkIntentions = append(checkIntentions, ixn)
+
 	} else if kind == structs.IngressGateway {
 		// Checking an ingress pointing to multiple chains.
 
 		// This is the case for deleting a config entry
-		if next == nil {
+		if proposedEntry == nil {
 			return nil
 		}
 
-		ingress, ok := next.(*structs.IngressGatewayConfigEntry)
+		ingress, ok := proposedEntry.(*structs.IngressGatewayConfigEntry)
 		if !ok {
-			return fmt.Errorf("type %T is not an ingress gateway config entry", next)
+			return fmt.Errorf("type %T is not an ingress gateway config entry", proposedEntry)
 		}
 		checkIngress = append(checkIngress, ingress)
 
@@ -536,6 +560,28 @@ func validateProposedConfigEntryInServiceGraph(
 	} else {
 		// Must be a single chain.
 
+		// Check to see if we should ensure L7 intentions have an L7 protocol.
+		_, ixn, err := getServiceIntentionsConfigEntryTxn(
+			tx, nil, name, nil, entMeta,
+		)
+		if err != nil {
+			return err
+		} else if ixn != nil {
+			checkIntentions = append(checkIntentions, ixn)
+		}
+
+		_, ixnEntries, err := configEntriesByKindTxn(tx, nil, structs.ServiceIntentions, structs.WildcardEnterpriseMeta())
+		if err != nil {
+			return err
+		}
+		for _, entry := range ixnEntries {
+			ixn, ok := entry.(*structs.ServiceIntentionsConfigEntry)
+			if !ok {
+				return fmt.Errorf("type %T is not a service intentions config entry", entry)
+			}
+			checkIntentions = append(checkIntentions, ixn)
+		}
+
 		sid := structs.NewServiceID(name, entMeta)
 		checkChains[sid] = struct{}{}
 
@@ -559,16 +605,20 @@ func validateProposedConfigEntryInServiceGraph(
 		}
 	}
 
-	// Ensure if any ingress is affected that we fetch all of the chains needed
+	// Ensure if any ingress or intention is affected that we fetch all of the
-	// to fully validate that ingress.
+	// chains needed to fully validate them.
 	for _, ingress := range checkIngress {
 		for _, svcID := range ingress.ListRelatedServices() {
 			checkChains[svcID] = struct{}{}
 		}
 	}
+	for _, ixn := range checkIntentions {
+		sn := ixn.DestinationServiceName()
+		checkChains[sn.ToServiceID()] = struct{}{}
+	}
 
 	overrides := map[structs.ConfigEntryKindName]structs.ConfigEntry{
-		structs.NewConfigEntryKindName(kind, name, entMeta): next,
+		structs.NewConfigEntryKindName(kind, name, entMeta): proposedEntry,
 	}
 
 	var (
@@ -619,6 +669,25 @@ func validateProposedConfigEntryInServiceGraph(
 		}
 	}
 
+	// Now validate that intentions with L7 permissions reference HTTP services
+	for _, e := range checkIntentions {
+		// We only have to double check things that try to use permissions
+		if e.HasWildcardDestination() || !e.HasAnyPermissions() {
+			continue
+		}
+		sn := e.DestinationServiceName()
+		svcID := sn.ToServiceID()
+
+		svcProto := svcProtocols[svcID]
+		if !structs.IsProtocolHTTPLike(svcProto) {
+			return fmt.Errorf(
+				"service %q has protocol %q, which is incompatible with L7 intentions permissions",
+				svcID.String(),
+				svcProto,
+			)
+		}
+	}
+
 	return nil
 }
 

agent/consul/state/config_entry_test.go

@@ -2038,3 +2038,235 @@ func TestTargetsForSource(t *testing.T) {
 		})
 	}
 }
+
+func TestStore_ValidateServiceIntentionsErrorOnIncompatibleProtocols(t *testing.T) {
+	l7perms := []*structs.IntentionPermission{
+		{
+			Action: structs.IntentionActionAllow,
+			HTTP: &structs.IntentionHTTPPermission{
+				PathPrefix: "/v2/",
+			},
+		},
+	}
+
+	serviceDefaults := func(service, protocol string) *structs.ServiceConfigEntry {
+		return &structs.ServiceConfigEntry{
+			Kind:     structs.ServiceDefaults,
+			Name:     service,
+			Protocol: protocol,
+		}
+	}
+
+	proxyDefaults := func(protocol string) *structs.ProxyConfigEntry {
+		return &structs.ProxyConfigEntry{
+			Kind: structs.ProxyDefaults,
+			Name: structs.ProxyConfigGlobal,
+			Config: map[string]interface{}{
+				"protocol": protocol,
+			},
+		}
+	}
+
+	type operation struct {
+		entry    structs.ConfigEntry
+		deletion bool
+	}
+
+	type testcase struct {
+		ops           []operation
+		expectLastErr string
+	}
+
+	cases := map[string]testcase{
+		"L4 intention cannot upgrade to L7 when tcp": {
+			ops: []operation{
+				{ // set the target service as tcp
+					entry: serviceDefaults("api", "tcp"),
+				},
+				{ // create an L4 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Action: structs.IntentionActionAllow},
+						},
+					},
+				},
+				{ // Should fail if converted to L7
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+			},
+			expectLastErr: `has protocol "tcp"`,
+		},
+		"L4 intention can upgrade to L7 when made http via service-defaults": {
+			ops: []operation{
+				{ // set the target service as tcp
+					entry: serviceDefaults("api", "tcp"),
+				},
+				{ // create an L4 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Action: structs.IntentionActionAllow},
+						},
+					},
+				},
+				{ // set the target service as http
+					entry: serviceDefaults("api", "http"),
+				},
+				{ // Should succeed if converted to L7
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+			},
+		},
+		"L4 intention can upgrade to L7 when made http via proxy-defaults": {
+			ops: []operation{
+				{ // set the target service as tcp
+					entry: proxyDefaults("tcp"),
+				},
+				{ // create an L4 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Action: structs.IntentionActionAllow},
+						},
+					},
+				},
+				{ // set the target service as http
+					entry: proxyDefaults("http"),
+				},
+				{ // Should succeed if converted to L7
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+			},
+		},
+		"L7 intention cannot have protocol downgraded to tcp via modification via service-defaults": {
+			ops: []operation{
+				{ // set the target service as http
+					entry: serviceDefaults("api", "http"),
+				},
+				{ // create an L7 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+				{ // setting the target service as tcp should fail
+					entry: serviceDefaults("api", "tcp"),
+				},
+			},
+			expectLastErr: `has protocol "tcp"`,
+		},
+		"L7 intention cannot have protocol downgraded to tcp via modification via proxy-defaults": {
+			ops: []operation{
+				{ // set the target service as http
+					entry: proxyDefaults("http"),
+				},
+				{ // create an L7 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+				{ // setting the target service as tcp should fail
+					entry: proxyDefaults("tcp"),
+				},
+			},
+			expectLastErr: `has protocol "tcp"`,
+		},
+		"L7 intention cannot have protocol downgraded to tcp via deletion of service-defaults": {
+			ops: []operation{
+				{ // set the target service as http
+					entry: serviceDefaults("api", "http"),
+				},
+				{ // create an L7 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+				{ // setting the target service as tcp should fail
+					entry:    serviceDefaults("api", "tcp"),
+					deletion: true,
+				},
+			},
+			expectLastErr: `has protocol "tcp"`,
+		},
+		"L7 intention cannot have protocol downgraded to tcp via deletion of proxy-defaults": {
+			ops: []operation{
+				{ // set the target service as http
+					entry: proxyDefaults("http"),
+				},
+				{ // create an L7 intention
+					entry: &structs.ServiceIntentionsConfigEntry{
+						Kind: structs.ServiceIntentions,
+						Name: "api",
+						Sources: []*structs.SourceIntention{
+							{Name: "web", Permissions: l7perms},
+						},
+					},
+				},
+				{ // setting the target service as tcp should fail
+					entry:    proxyDefaults("tcp"),
+					deletion: true,
+				},
+			},
+			expectLastErr: `has protocol "tcp"`,
+		},
+	}
+
+	for name, tc := range cases {
+		tc := tc
+		t.Run(name, func(t *testing.T) {
+			s := testStateStore(t)
+
+			var nextIndex = uint64(1)
+
+			for i, op := range tc.ops {
+				isLast := (i == len(tc.ops)-1)
+
+				var err error
+				if op.deletion {
+					err = s.DeleteConfigEntry(nextIndex, op.entry.GetKind(), op.entry.GetName(), nil)
+				} else {
+					err = s.EnsureConfigEntry(nextIndex, op.entry, nil)
+				}
+
+				if isLast && tc.expectLastErr != "" {
+					testutil.RequireErrorContains(t, err, `has protocol "tcp"`)
+				} else {
+					require.NoError(t, err)
+				}
+			}
+		})
+	}
+}

agent/structs/config_entry_discoverychain.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"math"
+	"net/http"
 	"regexp"
 	"sort"
 	"strconv"
@@ -108,15 +109,12 @@ func (e *ServiceRouterConfigEntry) Normalize() error {
 		}
 
 		httpMatch := route.Match.HTTP
-		if len(httpMatch.Methods) == 0 {
-			continue
-		}
-
 		for j := 0; j < len(httpMatch.Methods); j++ {
 			httpMatch.Methods[j] = strings.ToUpper(httpMatch.Methods[j])
 		}
+
 		if route.Destination != nil && route.Destination.Namespace == "" {
-			route.Destination.Namespace = e.EnterpriseMeta.NamespaceOrDefault()
+			route.Destination.Namespace = e.EnterpriseMeta.NamespaceOrEmpty()
 		}
 	}
 
@@ -209,6 +207,9 @@ func (e *ServiceRouterConfigEntry) Validate() error {
 			if len(route.Match.HTTP.Methods) > 0 {
 				found := make(map[string]struct{})
 				for _, m := range route.Match.HTTP.Methods {
+					if !isValidHTTPMethod(m) {
+						return fmt.Errorf("Route[%d] Methods contains an invalid method %q", i, m)
+					}
 					if _, ok := found[m]; ok {
 						return fmt.Errorf("Route[%d] Methods contains %q more than once", i, m)
 					}
@@ -227,6 +228,23 @@ func (e *ServiceRouterConfigEntry) Validate() error {
 	return nil
 }
 
+func isValidHTTPMethod(method string) bool {
+	switch method {
+	case http.MethodGet,
+		http.MethodHead,
+		http.MethodPost,
+		http.MethodPut,
+		http.MethodPatch,
+		http.MethodDelete,
+		http.MethodConnect,
+		http.MethodOptions,
+		http.MethodTrace:
+		return true
+	default:
+		return false
+	}
+}
+
 func (e *ServiceRouterConfigEntry) CanRead(rule acl.Authorizer) bool {
 	return canReadDiscoveryChain(e, rule)
 }

agent/structs/config_entry_intentions.go

@@ -72,6 +72,7 @@ func (e *ServiceIntentionsConfigEntry) ToIntention(src *SourceIntention) *Intent
 		SourceName:      src.Name,
 		SourceType:      src.Type,
 		Action:          src.Action,
+		Permissions:     src.Permissions,
 		Meta:            meta,
 		Precedence:      src.Precedence,
 		DestinationNS:   e.NamespaceOrDefault(),
@@ -135,7 +136,27 @@ type SourceIntention struct {
 	// Action is whether this is an allowlist or denylist intention.
 	//
 	// formerly Intention.Action
-	Action IntentionAction
+	//
+	// NOTE: this is mutually exclusive with the Permissions field.
+	Action IntentionAction `json:",omitempty"`
+
+	// Permissions is the list of additional L7 attributes that extend the
+	// intention definition.
+	//
+	// Permissions are interpreted in the order represented in the slice. In
+	// default-deny mode, deny permissions are logically subtracted from all
+	// following allow permissions. Multiple allow permissions are then ORed
+	// together.
+	//
+	// For example:
+	//   ["deny /v2/admin", "allow /v2/*", "allow GET /healthz"]
+	//
+	// Is logically interpreted as:
+	//   allow: [
+	//     "(/v2/*) AND NOT (/v2/admin)",
+	//     "(GET /healthz) AND NOT (/v2/admin)"
+	//   ]
+	Permissions []*IntentionPermission `json:",omitempty"`
 
 	// Precedence is the order that the intention will be applied, with
 	// larger numbers being applied first. This is a read-only field, on
@@ -182,6 +203,65 @@ type SourceIntention struct {
 	EnterpriseMeta `hcl:",squash" mapstructure:",squash"`
 }
 
+type IntentionPermission struct {
+	Action IntentionAction // required: allow|deny
+
+	HTTP *IntentionHTTPPermission `json:",omitempty"`
+
+	// If we have non-http match criteria for other protocols
+	// in the future (gRPC, redis, etc) they can go here.
+
+	// Support for edge-decoded JWTs would likely be configured
+	// in a new top level section here.
+
+	// If we ever add Sentinel support, this is one place we may
+	// wish to add it.
+}
+
+func (p *IntentionPermission) Clone() *IntentionPermission {
+	p2 := *p
+	if p.HTTP != nil {
+		p2.HTTP = p.HTTP.Clone()
+	}
+	return &p2
+}
+
+type IntentionHTTPPermission struct {
+	// PathExact, PathPrefix, and PathRegex are mutually exclusive.
+	PathExact  string `json:",omitempty" alias:"path_exact"`
+	PathPrefix string `json:",omitempty" alias:"path_prefix"`
+	PathRegex  string `json:",omitempty" alias:"path_regex"`
+
+	Header []IntentionHTTPHeaderPermission `json:",omitempty"`
+
+	Methods []string `json:",omitempty"`
+}
+
+func (p *IntentionHTTPPermission) Clone() *IntentionHTTPPermission {
+	p2 := *p
+
+	if len(p.Header) > 0 {
+		p2.Header = make([]IntentionHTTPHeaderPermission, 0, len(p.Header))
+		for _, hdr := range p.Header {
+			p2.Header = append(p2.Header, hdr)
+		}
+	}
+
+	p2.Methods = cloneStringSlice(p.Methods)
+
+	return &p2
+}
+
+type IntentionHTTPHeaderPermission struct {
+	Name    string
+	Present bool   `json:",omitempty"`
+	Exact   string `json:",omitempty"`
+	Prefix  string `json:",omitempty"`
+	Suffix  string `json:",omitempty"`
+	Regex   string `json:",omitempty"`
+	Invert  bool   `json:",omitempty"`
+}
+
 func cloneStringStringMap(m map[string]string) map[string]string {
 	if m == nil {
 		return nil
@@ -202,6 +282,13 @@ func (x *SourceIntention) Clone() *SourceIntention {
 
 	x2.LegacyMeta = cloneStringStringMap(x.LegacyMeta)
 
+	if len(x.Permissions) > 0 {
+		x2.Permissions = make([]*IntentionPermission, 0, len(x.Permissions))
+		for _, perm := range x.Permissions {
+			x2.Permissions = append(x2.Permissions, perm.Clone())
+		}
+	}
+
 	return &x2
 }
 
@@ -303,6 +390,16 @@ func (e *ServiceIntentionsConfigEntry) normalize(legacyWrite bool) error {
 			src.LegacyCreateTime = nil
 			src.LegacyUpdateTime = nil
 		}
+
+		for _, perm := range src.Permissions {
+			if perm.HTTP == nil {
+				continue
+			}
+
+			for j := 0; j < len(perm.HTTP.Methods); j++ {
+				perm.HTTP.Methods[j] = strings.ToUpper(perm.HTTP.Methods[j])
+			}
+		}
 	}
 
 	// The source intentions closer to the head of the list have higher
@@ -370,6 +467,20 @@ func (e *ServiceIntentionsConfigEntry) LegacyValidate() error {
 	return e.validate(true)
 }
 
+func (e *ServiceIntentionsConfigEntry) HasWildcardDestination() bool {
+	dstNS := e.EnterpriseMeta.NamespaceOrDefault()
+	return dstNS == WildcardSpecifier || e.Name == WildcardSpecifier
+}
+
+func (e *ServiceIntentionsConfigEntry) HasAnyPermissions() bool {
+	for _, src := range e.Sources {
+		if len(src.Permissions) > 0 {
+			return true
+		}
+	}
+	return false
+}
+
 func (e *ServiceIntentionsConfigEntry) validate(legacyWrite bool) error {
 	if e.Name == "" {
 		return fmt.Errorf("Name is required")
@@ -379,6 +490,8 @@ func (e *ServiceIntentionsConfigEntry) validate(legacyWrite bool) error {
 		return err
 	}
 
+	destIsWild := e.HasWildcardDestination()
+
 	if legacyWrite {
 		if len(e.Meta) > 0 {
 			return fmt.Errorf("Meta must be omitted for legacy intention writes")
@@ -445,11 +558,21 @@ func (e *ServiceIntentionsConfigEntry) validate(legacyWrite bool) error {
 			}
 		}
 
+		if legacyWrite || len(src.Permissions) == 0 {
 			switch src.Action {
 			case IntentionActionAllow, IntentionActionDeny:
 			default:
 				return fmt.Errorf("Sources[%d].Action must be set to 'allow' or 'deny'", i)
 			}
+		}
+
+		if len(src.Permissions) > 0 && src.Action != "" {
+			return fmt.Errorf("Sources[%d].Action must be omitted if Permissions are specified", i)
+		}
+
+		if destIsWild && len(src.Permissions) > 0 {
+			return fmt.Errorf("Sources[%d].Permissions cannot be specified on intentions with wildcarded destinations", i)
+		}
 
 		switch src.Type {
 		case IntentionSourceConsul:
@@ -457,6 +580,94 @@ func (e *ServiceIntentionsConfigEntry) validate(legacyWrite bool) error {
 			return fmt.Errorf("Sources[%d].Type must be set to 'consul'", i)
 		}
 
+		for j, perm := range src.Permissions {
+			switch perm.Action {
+			case IntentionActionAllow, IntentionActionDeny:
+			default:
+				return fmt.Errorf("Sources[%d].Permissions[%d].Action must be set to 'allow' or 'deny'", i, j)
+			}
+
+			errorPrefix := "Sources[%d].Permissions[%d].HTTP"
+			if perm.HTTP == nil {
+				return fmt.Errorf(errorPrefix+" is required", i, j)
+			}
+
+			pathParts := 0
+			if perm.HTTP.PathExact != "" {
+				pathParts++
+				if !strings.HasPrefix(perm.HTTP.PathExact, "/") {
+					return fmt.Errorf(
+						errorPrefix+".PathExact doesn't start with '/': %q",
+						i, j, perm.HTTP.PathExact,
+					)
+				}
+			}
+			if perm.HTTP.PathPrefix != "" {
+				pathParts++
+				if !strings.HasPrefix(perm.HTTP.PathPrefix, "/") {
+					return fmt.Errorf(
+						errorPrefix+".PathPrefix doesn't start with '/': %q",
+						i, j, perm.HTTP.PathPrefix,
+					)
+				}
+			}
+			if perm.HTTP.PathRegex != "" {
+				pathParts++
+			}
+			if pathParts > 1 {
+				return fmt.Errorf(
+					errorPrefix+" should only contain at most one of PathExact, PathPrefix, or PathRegex",
+					i, j,
+				)
+			}
+
+			permParts := pathParts
+
+			for k, hdr := range perm.HTTP.Header {
+				if hdr.Name == "" {
+					return fmt.Errorf(errorPrefix+".Header[%d] missing required Name field", i, j, k)
+				}
+				hdrParts := 0
+				if hdr.Present {
+					hdrParts++
+				}
+				if hdr.Exact != "" {
+					hdrParts++
+				}
+				if hdr.Regex != "" {
+					hdrParts++
+				}
+				if hdr.Prefix != "" {
+					hdrParts++
+				}
+				if hdr.Suffix != "" {
+					hdrParts++
+				}
+				if hdrParts != 1 {
+					return fmt.Errorf(errorPrefix+".Header[%d] should only contain one of Present, Exact, Prefix, Suffix, or Regex", i, j, k)
+				}
+				permParts++
+			}
+
+			if len(perm.HTTP.Methods) > 0 {
+				found := make(map[string]struct{})
+				for _, m := range perm.HTTP.Methods {
+					if !isValidHTTPMethod(m) {
+						return fmt.Errorf(errorPrefix+".Methods contains an invalid method %q", i, j, m)
+					}
+					if _, ok := found[m]; ok {
+						return fmt.Errorf(errorPrefix+".Methods contains %q more than once", i, j, m)
+					}
+					found[m] = struct{}{}
+				}
+				permParts++
+			}
+
+			if permParts == 0 {
+				return fmt.Errorf(errorPrefix+" should not be empty", i, j)
+			}
+		}
+
 		serviceName := src.SourceServiceName()
 		if _, exists := seenSources[serviceName]; exists {
 			return fmt.Errorf("Sources[%d] defines %q more than once", i, serviceName.String())
@@ -521,7 +732,7 @@ func MigrateIntentions(ixns Intentions) []*ServiceIntentionsConfigEntry {
 	}
 	collated := make(map[ServiceName]*ServiceIntentionsConfigEntry)
 	for _, ixn := range ixns {
-		thisEntry := ixn.ToConfigEntry()
+		thisEntry := ixn.ToConfigEntry(true)
 		sn := thisEntry.DestinationServiceName()
 
 		if entry, ok := collated[sn]; ok {

agent/structs/config_entry_intentions_test.go

@@ -315,6 +315,688 @@ func TestServiceIntentionsConfigEntry(t *testing.T) {
 			},
 			validateErr: `Sources[0].Action must be set to 'allow' or 'deny'`,
 		},
+		"action must not be set for L7": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Action:      IntentionActionAllow,
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP:   &IntentionHTTPPermission{PathExact: "/"},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Action must be omitted if Permissions are specified`,
+		},
+		"permission action must be set": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								HTTP: &IntentionHTTPPermission{PathExact: "/"},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].Action must be set to 'allow' or 'deny'`,
+		},
+		"permission action must allow or deny": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: "blah",
+								HTTP:   &IntentionHTTPPermission{PathExact: "/"},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].Action must be set to 'allow' or 'deny'`,
+		},
+		"permission missing http": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP is required`,
+		},
+		"permission has too many path components (1)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathExact:  "/",
+									PathPrefix: "/a",
+									// PathRegex: "/b",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should only contain at most one of PathExact, PathPrefix, or PathRegex`,
+		},
+		"permission has too many path components (2)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathExact: "/",
+									// PathPrefix: "/a",
+									PathRegex: "/b",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should only contain at most one of PathExact, PathPrefix, or PathRegex`,
+		},
+		"permission has too many path components (3)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									// PathExact: "/",
+									PathPrefix: "/a",
+									PathRegex:  "/b",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should only contain at most one of PathExact, PathPrefix, or PathRegex`,
+		},
+		"permission has too many path components (4)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathExact:  "/",
+									PathPrefix: "/a",
+									PathRegex:  "/b",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should only contain at most one of PathExact, PathPrefix, or PathRegex`,
+		},
+		"permission has invalid path exact": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathExact: "x",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.PathExact doesn't start with '/': "x"`,
+		},
+		"permission has invalid path prefix": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathPrefix: "x",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.PathPrefix doesn't start with '/': "x"`,
+		},
+		"permission header missing name": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Description: strings.Repeat("x", 512),
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{Exact: "foo"},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] missing required Name field`,
+		},
+		"permission header has too many parts (1)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "x-abc",
+											Present: true,
+											Exact:   "foo",
+											// Regex:   "foo",
+											// Prefix:  "foo",
+											// Suffix:  "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (2)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "x-abc",
+											Present: true,
+											// Exact:   "foo",
+											Regex: "foo",
+											// Prefix:  "foo",
+											// Suffix:  "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (3)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "x-abc",
+											Present: true,
+											// Exact:   "foo",
+											// Regex: "foo",
+											Prefix: "foo",
+											// Suffix:  "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (4)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "x-abc",
+											Present: true,
+											// Exact:   "foo",
+											// Regex: "foo",
+											// Prefix: "foo",
+											Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (5)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											Exact: "foo",
+											Regex: "foo",
+											// Prefix: "foo",
+											// Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (6)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											Exact: "foo",
+											// Regex: "foo",
+											Prefix: "foo",
+											// Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (7)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											Exact: "foo",
+											// Regex: "foo",
+											// Prefix: "foo",
+											Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (8)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											// Exact: "foo",
+											Regex:  "foo",
+											Prefix: "foo",
+											// Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (9)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											// Exact: "foo",
+											Regex: "foo",
+											// Prefix: "foo",
+											Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (10)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name: "x-abc",
+											// Present: true,
+											// Exact: "foo",
+											// Regex: "foo",
+											Prefix: "foo",
+											Suffix: "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission header has too many parts (11)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "x-abc",
+											Present: true,
+											Exact:   "foo",
+											Regex:   "foo",
+											Prefix:  "foo",
+											Suffix:  "foo",
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Header[0] should only contain one of Present, Exact, Prefix, Suffix, or Regex`,
+		},
+		"permission invalid method": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Methods: []string{"YOINK"},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Methods contains an invalid method "YOINK"`,
+		},
+		"permission repeated method": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Methods: []string{"POST", "PUT", "POST"},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP.Methods contains "POST" more than once`,
+		},
+		"permission should not be empty (1)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									Header:  []IntentionHTTPHeaderPermission{},
+									Methods: []string{},
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should not be empty`,
+		},
+		"permission should not be empty (2)": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP:   &IntentionHTTPPermission{},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions[0].HTTP should not be empty`,
+		},
+		"permission kitchen sink": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathPrefix: "/foo",
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:  "x-abc",
+											Exact: "foo",
+										},
+										{
+											Name:    "x-xyz",
+											Present: true,
+											Invert:  true,
+										},
+									},
+									Methods: []string{"POST", "PUT", "GET"},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+		"permissions not allowed on wildcarded destinations": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				// TODO: ent
+				Name: WildcardSpecifier,
+				Sources: []*SourceIntention{
+					{
+						Name: "foo",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionAllow,
+								HTTP: &IntentionHTTPPermission{
+									PathPrefix: "/foo",
+								},
+							},
+						},
+					},
+				},
+			},
+			validateErr: `Sources[0].Permissions cannot be specified on intentions with wildcarded destinations`,
+		},
 		"L4 normalize": {
 			entry: &ServiceIntentionsConfigEntry{
 				Kind: ServiceIntentions,
@@ -472,6 +1154,47 @@ func TestServiceIntentionsConfigEntry(t *testing.T) {
 				},
 			},
 		},
+		"L7 normalize": {
+			entry: &ServiceIntentionsConfigEntry{
+				Kind: ServiceIntentions,
+				Name: "test",
+				Sources: []*SourceIntention{
+					{
+						Name: "bar",
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionDeny,
+								HTTP: &IntentionHTTPPermission{
+									Methods: []string{
+										"get", "post",
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+			check: func(t *testing.T, entry *ServiceIntentionsConfigEntry) {
+				assert.Equal(t, []*SourceIntention{
+					{
+						Name:           "bar",
+						EnterpriseMeta: *defaultMeta,
+						Precedence:     9,
+						Type:           IntentionSourceConsul,
+						Permissions: []*IntentionPermission{
+							{
+								Action: IntentionActionDeny,
+								HTTP: &IntentionHTTPPermission{
+									Methods: []string{
+										"GET", "POST",
+									},
+								},
+							},
+						},
+					},
+				}, entry.Sources)
+			},
+		},
 	}
 	for name, tc := range cases {
 		tc := tc

agent/structs/config_entry_test.go

@@ -973,6 +973,57 @@ func TestDecodeConfigEntry(t *testing.T) {
 					name        = "bar"
 					action      = "allow"
 					description = "bar desc"
+				  },
+				  {
+					name = "l7"
+					permissions = [
+					  {
+						action = "deny"
+						http {
+						  path_exact = "/admin"
+						  header = [
+							{
+							  name    = "hdr-present"
+							  present = true
+							},
+							{
+							  name  = "hdr-exact"
+							  exact = "exact"
+							},
+							{
+							  name   = "hdr-prefix"
+							  prefix = "prefix"
+							},
+							{
+							  name   = "hdr-suffix"
+							  suffix = "suffix"
+							},
+							{
+							  name  = "hdr-regex"
+							  regex = "regex"
+							},
+							{
+							  name    = "hdr-absent"
+							  present = true
+							  invert  = true
+							}
+						  ]
+						}
+					  },
+					  {
+						action = "allow"
+						http {
+						  path_prefix = "/v3/"
+						}
+					  },
+					  {
+						action = "allow"
+						http {
+						  path_regex = "/v[12]/.*"
+						  methods    = ["GET", "POST"]
+						}
+					  }
+					]
 				  }
 				]
 				sources {
@@ -999,6 +1050,57 @@ func TestDecodeConfigEntry(t *testing.T) {
 					Name        = "bar"
 					Action      = "allow"
 					Description = "bar desc"
+				  },
+				  {
+					Name = "l7"
+					Permissions = [
+					  {
+						Action = "deny"
+						HTTP {
+						  PathExact = "/admin"
+						  Header = [
+							{
+							  Name    = "hdr-present"
+							  Present = true
+							},
+							{
+							  Name  = "hdr-exact"
+							  Exact = "exact"
+							},
+							{
+							  Name   = "hdr-prefix"
+							  Prefix = "prefix"
+							},
+							{
+							  Name   = "hdr-suffix"
+							  Suffix = "suffix"
+							},
+							{
+							  Name  = "hdr-regex"
+							  Regex = "regex"
+							},
+							{
+							  Name    = "hdr-absent"
+							  Present = true
+							  Invert  = true
+							}
+						  ]
+						}
+					  },
+					  {
+						Action = "allow"
+						HTTP {
+						  PathPrefix = "/v3/"
+						}
+					  },
+					  {
+						Action = "allow"
+						HTTP {
+						  PathRegex = "/v[12]/.*"
+						  Methods   = ["GET", "POST"]
+						}
+					  }
+					]
 				  }
 				]
 				Sources {
@@ -1026,6 +1128,57 @@ func TestDecodeConfigEntry(t *testing.T) {
 						Action:      "allow",
 						Description: "bar desc",
 					},
+					{
+						Name: "l7",
+						Permissions: []*IntentionPermission{
+							{
+								Action: "deny",
+								HTTP: &IntentionHTTPPermission{
+									PathExact: "/admin",
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "hdr-present",
+											Present: true,
+										},
+										{
+											Name:  "hdr-exact",
+											Exact: "exact",
+										},
+										{
+											Name:   "hdr-prefix",
+											Prefix: "prefix",
+										},
+										{
+											Name:   "hdr-suffix",
+											Suffix: "suffix",
+										},
+										{
+											Name:  "hdr-regex",
+											Regex: "regex",
+										},
+										{
+											Name:    "hdr-absent",
+											Present: true,
+											Invert:  true,
+										},
+									},
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &IntentionHTTPPermission{
+									PathPrefix: "/v3/",
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &IntentionHTTPPermission{
+									PathRegex: "/v[12]/.*",
+									Methods:   []string{"GET", "POST"},
+								},
+							},
+						},
+					},
 					{
 						Name:        "*",
 						Action:      "deny",

agent/structs/intention.go

@@ -55,7 +55,14 @@ type Intention struct {
 	SourceType IntentionSourceType
 
 	// Action is whether this is an allowlist or denylist intention.
-	Action IntentionAction
+	Action IntentionAction `json:",omitempty"`
+
+	// Permissions is the list of additional L7 attributes that extend the
+	// intention definition.
+	//
+	// NOTE: This field is not editable unless editing the underlying
+	// service-intentions config entry directly.
+	Permissions []*IntentionPermission `bexpr:"-" json:",omitempty"`
 
 	// DefaultAddr is not used.
 	// Deprecated: DefaultAddr is not used and may be removed in a future version.
@@ -77,10 +84,11 @@ type Intention struct {
 	// or modified.
 	CreatedAt, UpdatedAt time.Time `mapstructure:"-" bexpr:"-"`
 
-	// Hash of the contents of the intention
+	// Hash of the contents of the intention. This is only necessary for legacy
+	// intention replication purposes.
 	//
-	// This is needed mainly for replication purposes. When replicating from
+	// This is needed mainly for legacy replication purposes. When replicating
-	// one DC to another keeping the content Hash will allow us to detect
+	// from one DC to another keeping the content Hash will allow us to detect
 	// content changes more efficiently than checking every single field
 	Hash []byte `bexpr:"-" json:",omitempty"`
 
@@ -89,6 +97,12 @@ type Intention struct {
 
 func (t *Intention) Clone() *Intention {
 	t2 := *t
+	if len(t.Permissions) > 0 {
+		t2.Permissions = make([]*IntentionPermission, 0, len(t.Permissions))
+		for _, perm := range t.Permissions {
+			t2.Permissions = append(t2.Permissions, perm.Clone())
+		}
+	}
 	t2.Meta = cloneStringStringMap(t.Meta)
 	t2.Hash = nil
 	return &t2
@@ -267,6 +281,11 @@ func (x *Intention) Validate() error {
 			"Action must be set to 'allow' or 'deny'"))
 	}
 
+	if len(x.Permissions) > 0 {
+		result = multierror.Append(result, fmt.Errorf(
+			"Permissions must not be set when using the legacy APIs"))
+	}
+
 	switch x.SourceType {
 	case IntentionSourceConsul:
 	default:
@@ -365,11 +384,25 @@ func (x *Intention) countExact(ns, n string) int {
 
 // String returns a human-friendly string for this intention.
 func (x *Intention) String() string {
-	return fmt.Sprintf("%s %s/%s => %s/%s (ID: %s, Precedence: %d)",
+	var idPart string
-		strings.ToUpper(string(x.Action)),
+	if x.ID != "" {
+		idPart = "ID: " + x.ID + ", "
+	}
+
+	var detailPart string
+	if len(x.Permissions) > 0 {
+		detailPart = fmt.Sprintf("Permissions: %d", len(x.Permissions))
+	} else {
+		detailPart = "Action: " + strings.ToUpper(string(x.Action))
+	}
+
+	return fmt.Sprintf("%s/%s => %s/%s (%sPrecedence: %d, %s)",
 		x.SourceNS, x.SourceName,
 		x.DestinationNS, x.DestinationName,
-		x.ID, x.Precedence)
+		idPart,
+		x.Precedence,
+		detailPart,
+	)
 }
 
 // LegacyEstimateSize returns an estimate (in bytes) of the size of this structure when encoded.
@@ -397,20 +430,21 @@ func (x *Intention) DestinationServiceName() ServiceName {
 
 // NOTE this is just used to manipulate user-provided data before an insert
 // The RPC execution will do Normalize + Validate for us.
-func (x *Intention) ToConfigEntry() *ServiceIntentionsConfigEntry {
+func (x *Intention) ToConfigEntry(legacy bool) *ServiceIntentionsConfigEntry {
 	return &ServiceIntentionsConfigEntry{
 		Kind:           ServiceIntentions,
 		Name:           x.DestinationName,
 		EnterpriseMeta: *x.DestinationEnterpriseMeta(),
-		Sources:        []*SourceIntention{x.ToSourceIntention()},
+		Sources:        []*SourceIntention{x.ToSourceIntention(legacy)},
 	}
 }
 
-func (x *Intention) ToSourceIntention() *SourceIntention {
+func (x *Intention) ToSourceIntention(legacy bool) *SourceIntention {
-	return &SourceIntention{
+	src := &SourceIntention{
 		Name:             x.SourceName,
 		EnterpriseMeta:   *x.SourceEnterpriseMeta(),
 		Action:           x.Action,
+		Permissions:      nil, // explicitly not symmetric with the old APIs
 		Precedence:       0,   // Ignore, let it be computed.
 		LegacyID:         x.ID,
 		Type:             x.SourceType,
@@ -419,6 +453,10 @@ func (x *Intention) ToSourceIntention() *SourceIntention {
 		LegacyCreateTime: nil, // Ignore
 		LegacyUpdateTime: nil, // Ignore
 	}
+	if !legacy {
+		src.Permissions = x.Permissions
+	}
+	return src
 }
 
 // IntentionAction is the action that the intention represents. This

agent/structs/intention_test.go

@@ -359,3 +359,97 @@ func TestIntention_SetHash(t *testing.T) {
 	}
 	require.Equal(t, expected, i.Hash)
 }
+
+func TestIntention_String(t *testing.T) {
+	type testcase struct {
+		ixn    *Intention
+		expect string
+	}
+
+	testID := generateUUID()
+
+	cases := map[string]testcase{
+		"legacy allow": {
+			&Intention{
+				ID:              testID,
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Action:          IntentionActionAllow,
+			},
+			`default/foo => default/bar (ID: ` + testID + `, Precedence: 9, Action: ALLOW)`,
+		},
+		"legacy deny": {
+			&Intention{
+				ID:              testID,
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Action:          IntentionActionDeny,
+			},
+			`default/foo => default/bar (ID: ` + testID + `, Precedence: 9, Action: DENY)`,
+		},
+		"L4 allow": {
+			&Intention{
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Action:          IntentionActionAllow,
+			},
+			`default/foo => default/bar (Precedence: 9, Action: ALLOW)`,
+		},
+		"L4 deny": {
+			&Intention{
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Action:          IntentionActionDeny,
+			},
+			`default/foo => default/bar (Precedence: 9, Action: DENY)`,
+		},
+		"L7 one perm": {
+			&Intention{
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Permissions: []*IntentionPermission{
+					{
+						Action: IntentionActionAllow,
+						HTTP: &IntentionHTTPPermission{
+							PathPrefix: "/foo",
+						},
+					},
+				},
+			},
+			`default/foo => default/bar (Precedence: 9, Permissions: 1)`,
+		},
+		"L7 two perms": {
+			&Intention{
+				SourceName:      "foo",
+				DestinationName: "bar",
+				Permissions: []*IntentionPermission{
+					{
+						Action: IntentionActionDeny,
+						HTTP: &IntentionHTTPPermission{
+							PathExact: "/foo/admin",
+						},
+					},
+					{
+						Action: IntentionActionAllow,
+						HTTP: &IntentionHTTPPermission{
+							PathPrefix: "/foo",
+						},
+					},
+				},
+			},
+			`default/foo => default/bar (Precedence: 9, Permissions: 2)`,
+		},
+	}
+
+	for name, tc := range cases {
+		tc := tc
+		// Add a bunch of required fields.
+		tc.ixn.DefaultNamespaces(DefaultEnterpriseMeta())
+		tc.ixn.UpdatePrecedence()
+
+		t.Run(name, func(t *testing.T) {
+			got := tc.ixn.String()
+			require.Equal(t, tc.expect, got)
+		})
+	}
+}

agent/xds/envoy_versioning.go

@@ -12,8 +12,37 @@ var (
 	// minSupportedVersion is the oldest mainline version we support. This should always be
 	// the zero'th point release of the last element of proxysupport.EnvoyVersions.
 	minSupportedVersion = version.Must(version.NewVersion("1.12.0"))
+
+	specificUnsupportedVersions = []unsupportedVersion{
+		{
+			Version:   version.Must(version.NewVersion("1.12.0")),
+			UpgradeTo: "1.12.3+",
+			Why:       "does not support RBAC rules using url_path",
+		},
+		{
+			Version:   version.Must(version.NewVersion("1.12.1")),
+			UpgradeTo: "1.12.3+",
+			Why:       "does not support RBAC rules using url_path",
+		},
+		{
+			Version:   version.Must(version.NewVersion("1.12.2")),
+			UpgradeTo: "1.12.3+",
+			Why:       "does not support RBAC rules using url_path",
+		},
+		{
+			Version:   version.Must(version.NewVersion("1.13.0")),
+			UpgradeTo: "1.13.1+",
+			Why:       "does not support RBAC rules using url_path",
+		},
+	}
 )
 
+type unsupportedVersion struct {
+	Version   *version.Version
+	UpgradeTo string
+	Why       string
+}
+
 type supportedProxyFeatures struct {
 	// add version dependent feature flags here
 }
@@ -39,6 +68,18 @@ func determineSupportedProxyFeaturesFromVersion(version *version.Version) (suppo
 		return supportedProxyFeatures{}, fmt.Errorf("Envoy %s is too old and is not supported by Consul", version)
 	}
 
+	for _, uv := range specificUnsupportedVersions {
+		if version.Equal(uv.Version) {
+			return supportedProxyFeatures{}, fmt.Errorf(
+				"Envoy %s is too old of a point release and is not supported by Consul because it %s. "+
+					"Please upgrade to version %s.",
+				version,
+				uv.Why,
+				uv.UpgradeTo,
+			)
+		}
+	}
+
 	return supportedProxyFeatures{}, nil
 }
 

agent/xds/envoy_versioning_test.go

@@ -5,6 +5,7 @@ import (
 
 	envoycore "github.com/envoyproxy/go-control-plane/envoy/api/v2/core"
 	envoytype "github.com/envoyproxy/go-control-plane/envoy/type"
+	"github.com/hashicorp/consul/sdk/testutil"
 	"github.com/hashicorp/go-version"
 	"github.com/stretchr/testify/require"
 )
@@ -68,3 +69,49 @@ func TestDetermineEnvoyVersionFromNode(t *testing.T) {
 		})
 	}
 }
+
+func TestDetermineSupportedProxyFeaturesFromString(t *testing.T) {
+	const (
+		err1_12   = "is too old of a point release and is not supported by Consul because it does not support RBAC rules using url_path. Please upgrade to version 1.12.3+."
+		err1_13   = "is too old of a point release and is not supported by Consul because it does not support RBAC rules using url_path. Please upgrade to version 1.13.1+."
+		errTooOld = "is too old and is not supported by Consul"
+	)
+
+	type testcase struct {
+		expect    supportedProxyFeatures
+		expectErr string
+	}
+
+	// Just the bad versions
+	cases := map[string]testcase{
+		"1.9.0":  {expectErr: "Envoy 1.9.0 " + errTooOld},
+		"1.10.0": {expectErr: "Envoy 1.10.0 " + errTooOld},
+		"1.11.0": {expectErr: "Envoy 1.11.0 " + errTooOld},
+		"1.12.0": {expectErr: "Envoy 1.12.0 " + err1_12},
+		"1.12.1": {expectErr: "Envoy 1.12.1 " + err1_12},
+		"1.12.2": {expectErr: "Envoy 1.12.2 " + err1_12},
+		"1.13.0": {expectErr: "Envoy 1.13.0 " + err1_13},
+	}
+
+	// Insert a bunch of valid versions.
+	for _, v := range []string{
+		"1.12.3", "1.12.4", "1.12.5", "1.12.6", "1.12.7",
+		"1.13.1", "1.13.2", "1.13.3", "1.13.4", "1.13.6", "1.14.1",
+		"1.14.2", "1.14.3", "1.14.4", "1.14.5",
+		"1.15.0", "1.15.1", "1.15.2",
+	} {
+		cases[v] = testcase{expect: supportedProxyFeatures{}}
+	}
+
+	for name, tc := range cases {
+		tc := tc
+		t.Run(name, func(t *testing.T) {
+			sf, err := determineSupportedProxyFeaturesFromString(name)
+			if tc.expectErr == "" {
+				require.Equal(t, tc.expect, sf)
+			} else {
+				testutil.RequireErrorContains(t, err, tc.expectErr)
+			}
+		})
+	}
+}

agent/xds/rbac.go

@@ -3,8 +3,10 @@ package xds
 import (
 	"fmt"
 	"sort"
+	"strings"
 
 	envoylistener "github.com/envoyproxy/go-control-plane/envoy/api/v2/listener"
+	envoyroute "github.com/envoyproxy/go-control-plane/envoy/api/v2/route"
 	envoyhttprbac "github.com/envoyproxy/go-control-plane/envoy/config/filter/http/rbac/v2"
 	envoyhttp "github.com/envoyproxy/go-control-plane/envoy/config/filter/network/http_connection_manager/v2"
 	envoynetrbac "github.com/envoyproxy/go-control-plane/envoy/config/filter/network/rbac/v2"
@@ -14,7 +16,7 @@ import (
 )
 
 func makeRBACNetworkFilter(intentions structs.Intentions, intentionDefaultAllow bool) (*envoylistener.Filter, error) {
-	rules, err := makeRBACRules(intentions, intentionDefaultAllow)
+	rules, err := makeRBACRules(intentions, intentionDefaultAllow, false)
 	if err != nil {
 		return nil, err
 	}
@@ -27,7 +29,7 @@ func makeRBACNetworkFilter(intentions structs.Intentions, intentionDefaultAllow
 }
 
 func makeRBACHTTPFilter(intentions structs.Intentions, intentionDefaultAllow bool) (*envoyhttp.HttpFilter, error) {
-	rules, err := makeRBACRules(intentions, intentionDefaultAllow)
+	rules, err := makeRBACRules(intentions, intentionDefaultAllow, true)
 	if err != nil {
 		return nil, err
 	}
@@ -38,16 +40,238 @@ func makeRBACHTTPFilter(intentions structs.Intentions, intentionDefaultAllow boo
 	return makeEnvoyHTTPFilter("envoy.filters.http.rbac", cfg)
 }
 
+func intentionListToIntermediateRBACForm(intentions structs.Intentions, isHTTP bool) []*rbacIntention {
+	sort.Sort(structs.IntentionPrecedenceSorter(intentions))
+
+	// Omit any lower-precedence intentions that share the same source.
+	intentions = removeSameSourceIntentions(intentions)
+
+	rbacIxns := make([]*rbacIntention, 0, len(intentions))
+	for _, ixn := range intentions {
+		rixn := intentionToIntermediateRBACForm(ixn, isHTTP)
+		rbacIxns = append(rbacIxns, rixn)
+	}
+	return rbacIxns
+}
+
+func removeSourcePrecedence(rbacIxns []*rbacIntention, intentionDefaultAction intentionAction) []*rbacIntention {
+	if len(rbacIxns) == 0 {
+		return nil
+	}
+
+	// Remove source precedence:
+	//
+	// First walk backwards and add each intention to all subsequent statements
+	// (via AND NOT $x).
+	//
+	// If it is L4 and has the same action as the default intention action then
+	// mark the rule itself for erasure.
+	numRetained := 0
+	for i := len(rbacIxns) - 1; i >= 0; i-- {
+		for j := i + 1; j < len(rbacIxns); j++ {
+			if rbacIxns[j].Skip {
+				continue
+			}
+			// [i] is the intention candidate that we are distributing
+			// [j] is the thing to maybe NOT [i] from
+			if ixnSourceMatches(rbacIxns[i].Source, rbacIxns[j].Source) {
+				rbacIxns[j].NotSources = append(rbacIxns[j].NotSources, rbacIxns[i].Source)
+			}
+		}
+		if rbacIxns[i].Action == intentionDefaultAction {
+			// Lower precedence intentions that match the default intention
+			// action are skipped, since they're handled by the default
+			// catch-all.
+			rbacIxns[i].Skip = true // mark for deletion
+		} else {
+			numRetained++
+		}
+	}
+	// At this point precedence doesn't matter for the source element.
+
+	// Remove skipped intentions and also compute the final Principals for each
+	// intention.
+	out := make([]*rbacIntention, 0, numRetained)
+	for _, rixn := range rbacIxns {
+		if rixn.Skip {
+			continue
+		}
+
+		rixn.ComputedPrincipal = rixn.FlattenPrincipal()
+		out = append(out, rixn)
+	}
+
+	return out
+}
+
+func removeIntentionPrecedence(rbacIxns []*rbacIntention, intentionDefaultAction intentionAction) []*rbacIntention {
+	// Remove source precedence. After this completes precedence doesn't matter
+	// between any two intentions.
+	rbacIxns = removeSourcePrecedence(rbacIxns, intentionDefaultAction)
+
+	for _, rbacIxn := range rbacIxns {
+		// Remove permission precedence. After this completes precedence
+		// doesn't matter between any two permissions on this intention.
+		rbacIxn.Permissions = removePermissionPrecedence(rbacIxn.Permissions, intentionDefaultAction)
+	}
+
+	return rbacIxns
+}
+
+func removePermissionPrecedence(perms []*rbacPermission, intentionDefaultAction intentionAction) []*rbacPermission {
+	if len(perms) == 0 {
+		return nil
+	}
+
+	// First walk backwards and add each permission to all subsequent
+	// statements (via AND NOT $x).
+	//
+	// If it has the same action as the default intention action then mark the
+	// permission itself for erasure.
+	numRetained := 0
+	for i := len(perms) - 1; i >= 0; i-- {
+		for j := i + 1; j < len(perms); j++ {
+			if perms[j].Skip {
+				continue
+			}
+			// [i] is the permission candidate that we are distributing
+			// [j] is the thing to maybe NOT [i] from
+			perms[j].NotPerms = append(
+				perms[j].NotPerms,
+				perms[i].Perm,
+			)
+		}
+		if perms[i].Action == intentionDefaultAction {
+			// Lower precedence permissions that match the default intention
+			// action are skipped, since they're handled by the default
+			// catch-all.
+			perms[i].Skip = true // mark for deletion
+		} else {
+			numRetained++
+		}
+	}
+
+	// Remove skipped permissions and also compute the final Permissions for each item.
+	out := make([]*rbacPermission, 0, numRetained)
+	for _, perm := range perms {
+		if perm.Skip {
+			continue
+		}
+
+		perm.ComputedPermission = perm.Flatten()
+		out = append(out, perm)
+	}
+
+	return out
+}
+
+func intentionToIntermediateRBACForm(ixn *structs.Intention, isHTTP bool) *rbacIntention {
+	rixn := &rbacIntention{
+		Source:     ixn.SourceServiceName(),
+		Precedence: ixn.Precedence,
+	}
+	if len(ixn.Permissions) > 0 {
+		if isHTTP {
+			rixn.Action = intentionActionLayer7
+			rixn.Permissions = make([]*rbacPermission, 0, len(ixn.Permissions))
+			for _, perm := range ixn.Permissions {
+				rixn.Permissions = append(rixn.Permissions, &rbacPermission{
+					Definition: perm,
+					Action:     intentionActionFromString(perm.Action),
+					Perm:       convertPermission(perm),
+				})
+			}
+		} else {
+			// In case L7 intentions slip through to here, treat them as deny intentions.
+			rixn.Action = intentionActionDeny
+		}
+	} else {
+		rixn.Action = intentionActionFromString(ixn.Action)
+	}
+
+	return rixn
+}
+
+type intentionAction int
+
+const (
+	intentionActionDeny intentionAction = iota
+	intentionActionAllow
+	intentionActionLayer7
+)
+
+func intentionActionFromBool(v bool) intentionAction {
+	if v {
+		return intentionActionAllow
+	} else {
+		return intentionActionDeny
+	}
+}
+func intentionActionFromString(s structs.IntentionAction) intentionAction {
+	if s == structs.IntentionActionAllow {
+		return intentionActionAllow
+	}
+	return intentionActionDeny
+}
+
 type rbacIntention struct {
 	Source      structs.ServiceName
 	NotSources  []structs.ServiceName
-	Allow      bool
+	Action      intentionAction
+	Permissions []*rbacPermission
 	Precedence  int
+
+	// Skip is field used to indicate that this intention can be deleted in the
+	// final pass. Items marked as true should generally not escape the method
+	// that marked them.
 	Skip bool
+
+	ComputedPrincipal *envoyrbac.Principal
 }
 
-func (r *rbacIntention) Simplify() {
+func (r *rbacIntention) FlattenPrincipal() *envoyrbac.Principal {
 	r.NotSources = simplifyNotSourceSlice(r.NotSources)
+
+	if len(r.NotSources) == 0 {
+		return idPrincipal(r.Source)
+	}
+
+	andIDs := make([]*envoyrbac.Principal, 0, len(r.NotSources)+1)
+	andIDs = append(andIDs, idPrincipal(r.Source))
+	for _, src := range r.NotSources {
+		andIDs = append(andIDs, notPrincipal(
+			idPrincipal(src),
+		))
+	}
+	return andPrincipals(andIDs)
+}
+
+type rbacPermission struct {
+	Definition *structs.IntentionPermission
+
+	Action   intentionAction
+	Perm     *envoyrbac.Permission
+	NotPerms []*envoyrbac.Permission
+
+	// Skip is field used to indicate that this permission can be deleted in
+	// the final pass. Items marked as true should generally not escape the
+	// method that marked them.
+	Skip bool
+
+	ComputedPermission *envoyrbac.Permission
+}
+
+func (p *rbacPermission) Flatten() *envoyrbac.Permission {
+	if len(p.NotPerms) == 0 {
+		return p.Perm
+	}
+
+	parts := make([]*envoyrbac.Permission, 0, len(p.NotPerms)+1)
+	parts = append(parts, p.Perm)
+	for _, notPerm := range p.NotPerms {
+		parts = append(parts, notPermission(notPerm))
+	}
+	return andPermissions(parts)
 }
 
 func simplifyNotSourceSlice(notSources []structs.ServiceName) []structs.ServiceName {
@@ -132,7 +356,7 @@ func simplifyNotSourceSlice(notSources []structs.ServiceName) []structs.ServiceN
 //     <default>    : DENY
 //
 // Which really is just an allow-list of [A, C AND NOT(B)]
-func makeRBACRules(intentions structs.Intentions, intentionDefaultAllow bool) (*envoyrbac.RBAC, error) {
+func makeRBACRules(intentions structs.Intentions, intentionDefaultAllow bool, isHTTP bool) (*envoyrbac.RBAC, error) {
 	// Note that we DON'T explicitly validate the trust-domain matches ours.
 	//
 	// For now we don't validate the trust domain of the _destination_ at all.
@@ -147,20 +371,11 @@ func makeRBACRules(intentions structs.Intentions, intentionDefaultAllow bool) (*
 
 	// TODO(banks,rb): Implement revocation list checking?
 
-	// Omit any lower-precedence intentions that share the same source.
-	intentions = removeSameSourceIntentions(intentions)
-
 	// First build up just the basic principal matches.
-	rbacIxns := make([]*rbacIntention, 0, len(intentions))
+	rbacIxns := intentionListToIntermediateRBACForm(intentions, isHTTP)
-	for _, ixn := range intentions {
-		rbacIxns = append(rbacIxns, &rbacIntention{
-			Source:     ixn.SourceServiceName(),
-			Allow:      (ixn.Action == structs.IntentionActionAllow),
-			Precedence: ixn.Precedence,
-		})
-	}
 
 	// Normalize: if we are in default-deny then all intentions must be allows and vice versa
+	intentionDefaultAction := intentionActionFromBool(intentionDefaultAllow)
 
 	var rbacAction envoyrbac.RBAC_Action
 	if intentionDefaultAllow {
@@ -173,69 +388,46 @@ func makeRBACRules(intentions structs.Intentions, intentionDefaultAllow bool) (*
 		rbacAction = envoyrbac.RBAC_ALLOW
 	}
 
-	// First walk backwards and if we encounter an intention with an action
+	// Remove source and permissions precedence.
-	// that is the same as the default intention action, add it to all
+	rbacIxns = removeIntentionPrecedence(rbacIxns, intentionDefaultAction)
-	// subsequent statements (via AND NOT $x) and mark the rule itself for
-	// erasure.
-	//
-	// i.e. for a default-deny setup we look for denies.
-	if len(rbacIxns) > 0 {
-		for i := len(rbacIxns) - 1; i >= 0; i-- {
-			if rbacIxns[i].Allow == intentionDefaultAllow {
-				for j := i + 1; j < len(rbacIxns); j++ {
-					if rbacIxns[j].Skip {
-						continue
-					}
-					// [i] is the intention candidate that we are distributing
-					// [j] is the thing to maybe NOT [i] from
-					if ixnSourceMatches(rbacIxns[i].Source, rbacIxns[j].Source) {
-						rbacIxns[j].NotSources = append(rbacIxns[j].NotSources, rbacIxns[i].Source)
-					}
-				}
-				// since this is default-FOO, any trailing FOO intentions will just evaporate
-				rbacIxns[i].Skip = true // mark for deletion
-			}
-		}
-	}
-	// At this point precedence doesn't matter since all roads lead to the same action.
-
-	var principals []*envoyrbac.Principal
-	for _, rbacIxn := range rbacIxns {
-		if rbacIxn.Skip {
-			continue
-		}
-
-		// NOTE: at this point "rbacIxn.Allow != intentionDefaultAllow"
-
-		rbacIxn.Simplify()
-
-		if len(rbacIxn.NotSources) > 0 {
-			andIDs := make([]*envoyrbac.Principal, 0, len(rbacIxn.NotSources)+1)
-			andIDs = append(andIDs, idPrincipal(rbacIxn.Source))
-			for _, src := range rbacIxn.NotSources {
-				andIDs = append(andIDs, notPrincipal(
-					idPrincipal(src),
-				))
-			}
-			principals = append(principals, andPrincipals(andIDs))
-		} else {
-			principals = append(principals, idPrincipal(rbacIxn.Source))
-		}
-	}
 
+	// For L4: we should generate one big Policy listing all Principals
+	// For L7: we should generate one Policy per Principal and list all of the Permissions
 	rbac := &envoyrbac.RBAC{
 		Action:   rbacAction,
+		Policies: make(map[string]*envoyrbac.Policy),
 	}
-	if len(principals) > 0 {
+
+	var principalsL4 []*envoyrbac.Principal
+	for i, rbacIxn := range rbacIxns {
+		if len(rbacIxn.Permissions) > 0 {
+			if !isHTTP {
+				panic("invalid state: L7 permissions present for TCP service")
+			}
+			// For L7: we should generate one Policy per Principal and list all of the Permissions
 			policy := &envoyrbac.Policy{
-			Principals:  principals,
+				Principals:  []*envoyrbac.Principal{rbacIxn.ComputedPrincipal},
-			Permissions: []*envoyrbac.Permission{anyPermission()},
+				Permissions: make([]*envoyrbac.Permission, 0, len(rbacIxn.Permissions)),
 			}
-		rbac.Policies = map[string]*envoyrbac.Policy{
+			for _, perm := range rbacIxn.Permissions {
-			"consul-intentions": policy,
+				policy.Permissions = append(policy.Permissions, perm.ComputedPermission)
+			}
+			rbac.Policies[fmt.Sprintf("consul-intentions-layer7-%d", i)] = policy
+		} else {
+			// For L4: we should generate one big Policy listing all Principals
+			principalsL4 = append(principalsL4, rbacIxn.ComputedPrincipal)
+		}
+	}
+	if len(principalsL4) > 0 {
+		rbac.Policies["consul-intentions-layer4"] = &envoyrbac.Policy{
+			Principals:  principalsL4,
+			Permissions: []*envoyrbac.Permission{anyPermission()},
 		}
 	}
 
+	if len(rbac.Policies) == 0 {
+		rbac.Policies = nil
+	}
 	return rbac, nil
 }
 
@@ -267,14 +459,6 @@ func removeSameSourceIntentions(intentions structs.Intentions) structs.Intention
 	return out
 }
 
-type sourceMatch int
-
-const (
-	sourceMatchIgnore   sourceMatch = 0
-	sourceMatchSuperset sourceMatch = 1
-	matchSameSubset     sourceMatch = 2
-)
-
 // ixnSourceMatches deterines if the 'tester' service name is matched by the
 // 'against' service name via wildcard rules.
 //
@@ -372,3 +556,142 @@ func anyPermission() *envoyrbac.Permission {
 		Rule: &envoyrbac.Permission_Any{Any: true},
 	}
 }
+
+func convertPermission(perm *structs.IntentionPermission) *envoyrbac.Permission {
+	// NOTE: this does not do anything with perm.Action
+	if perm.HTTP == nil {
+		return anyPermission()
+	}
+
+	var parts []*envoyrbac.Permission
+
+	switch {
+	case perm.HTTP.PathExact != "":
+		parts = append(parts, &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_UrlPath{
+				UrlPath: &envoymatcher.PathMatcher{
+					Rule: &envoymatcher.PathMatcher_Path{
+						Path: &envoymatcher.StringMatcher{
+							MatchPattern: &envoymatcher.StringMatcher_Exact{
+								Exact: perm.HTTP.PathExact,
+							},
+						},
+					},
+				},
+			},
+		})
+	case perm.HTTP.PathPrefix != "":
+		parts = append(parts, &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_UrlPath{
+				UrlPath: &envoymatcher.PathMatcher{
+					Rule: &envoymatcher.PathMatcher_Path{
+						Path: &envoymatcher.StringMatcher{
+							MatchPattern: &envoymatcher.StringMatcher_Prefix{
+								Prefix: perm.HTTP.PathPrefix,
+							},
+						},
+					},
+				},
+			},
+		})
+	case perm.HTTP.PathRegex != "":
+		parts = append(parts, &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_UrlPath{
+				UrlPath: &envoymatcher.PathMatcher{
+					Rule: &envoymatcher.PathMatcher_Path{
+						Path: &envoymatcher.StringMatcher{
+							MatchPattern: &envoymatcher.StringMatcher_SafeRegex{
+								SafeRegex: makeEnvoyRegexMatch(perm.HTTP.PathRegex),
+							},
+						},
+					},
+				},
+			},
+		})
+	}
+
+	for _, hdr := range perm.HTTP.Header {
+		eh := &envoyroute.HeaderMatcher{
+			Name: hdr.Name,
+		}
+
+		switch {
+		case hdr.Exact != "":
+			eh.HeaderMatchSpecifier = &envoyroute.HeaderMatcher_ExactMatch{
+				ExactMatch: hdr.Exact,
+			}
+		case hdr.Regex != "":
+			eh.HeaderMatchSpecifier = &envoyroute.HeaderMatcher_SafeRegexMatch{
+				SafeRegexMatch: makeEnvoyRegexMatch(hdr.Regex),
+			}
+		case hdr.Prefix != "":
+			eh.HeaderMatchSpecifier = &envoyroute.HeaderMatcher_PrefixMatch{
+				PrefixMatch: hdr.Prefix,
+			}
+		case hdr.Suffix != "":
+			eh.HeaderMatchSpecifier = &envoyroute.HeaderMatcher_SuffixMatch{
+				SuffixMatch: hdr.Suffix,
+			}
+		case hdr.Present:
+			eh.HeaderMatchSpecifier = &envoyroute.HeaderMatcher_PresentMatch{
+				PresentMatch: true,
+			}
+		default:
+			continue // skip this impossible situation
+		}
+
+		if hdr.Invert {
+			eh.InvertMatch = true
+		}
+
+		parts = append(parts, &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_Header{
+				Header: eh,
+			},
+		})
+	}
+
+	if len(perm.HTTP.Methods) > 0 {
+		methodHeaderRegex := strings.Join(perm.HTTP.Methods, "|")
+
+		eh := &envoyroute.HeaderMatcher{
+			Name: ":method",
+			HeaderMatchSpecifier: &envoyroute.HeaderMatcher_SafeRegexMatch{
+				SafeRegexMatch: makeEnvoyRegexMatch(methodHeaderRegex),
+			},
+		}
+
+		parts = append(parts, &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_Header{
+				Header: eh,
+			},
+		})
+	}
+
+	// NOTE: if for some reason we errantly allow a permission to be defined
+	// with a body of "http{}" then we'll end up treating that like "ANY" here.
+	return andPermissions(parts)
+}
+
+func notPermission(perm *envoyrbac.Permission) *envoyrbac.Permission {
+	return &envoyrbac.Permission{
+		Rule: &envoyrbac.Permission_NotRule{NotRule: perm},
+	}
+}
+
+func andPermissions(perms []*envoyrbac.Permission) *envoyrbac.Permission {
+	switch len(perms) {
+	case 0:
+		return anyPermission()
+	case 1:
+		return perms[0]
+	default:
+		return &envoyrbac.Permission{
+			Rule: &envoyrbac.Permission_AndRules{
+				AndRules: &envoyrbac.Permission_Set{
+					Rules: perms,
+				},
+			},
+		}
+	}
+}

agent/xds/rbac_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestMakeRBACNetworkFilter(t *testing.T) {
+func TestMakeRBACNetworkAndHTTPFilters(t *testing.T) {
 	testIntention := func(t *testing.T, src, dst string, action structs.IntentionAction) *structs.Intention {
 		t.Helper()
 		ixn := structs.TestIntention(t)
@@ -25,6 +25,11 @@ func TestMakeRBACNetworkFilter(t *testing.T) {
 	testSourceIntention := func(src string, action structs.IntentionAction) *structs.Intention {
 		return testIntention(t, src, "api", action)
 	}
+	testSourcePermIntention := func(src string, perms ...*structs.IntentionPermission) *structs.Intention {
+		ixn := testIntention(t, src, "api", "")
+		ixn.Permissions = perms
+		return ixn
+	}
 	sorted := func(ixns ...*structs.Intention) structs.Intentions {
 		sort.SliceStable(ixns, func(i, j int) bool {
 			return ixns[j].Precedence < ixns[i].Precedence
@@ -97,11 +102,148 @@ func TestMakeRBACNetworkFilter(t *testing.T) {
 				testSourceIntention("*", structs.IntentionActionDeny),
 			),
 		},
+		"default-deny-two-path-deny-and-path-allow": {
+			intentionDefaultAllow: false,
+			intentions: sorted(
+				testSourcePermIntention("web",
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/secret",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/admin",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathPrefix: "/",
+						},
+					},
+				),
+			),
+		},
+		"default-allow-two-path-deny-and-path-allow": {
+			intentionDefaultAllow: true,
+			intentions: sorted(
+				testSourcePermIntention("web",
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/secret",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/admin",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathPrefix: "/",
+						},
+					},
+				),
+			),
+		},
+		"default-deny-single-intention-with-kitchen-sink-perms": {
+			intentionDefaultAllow: false,
+			intentions: sorted(
+				testSourcePermIntention("web",
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/secret",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathPrefix: "/v1",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathRegex: "/v[123]",
+							Methods:   []string{"GET", "HEAD", "OPTIONS"},
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							Header: []structs.IntentionHTTPHeaderPermission{
+								{Name: "x-foo", Present: true},
+								{Name: "x-bar", Exact: "xyz"},
+								{Name: "x-dib", Prefix: "gaz"},
+								{Name: "x-gir", Suffix: "zim"},
+								{Name: "x-zim", Regex: "gi[rR]"},
+								{Name: "z-foo", Present: true, Invert: true},
+								{Name: "z-bar", Exact: "xyz", Invert: true},
+								{Name: "z-dib", Prefix: "gaz", Invert: true},
+								{Name: "z-gir", Suffix: "zim", Invert: true},
+								{Name: "z-zim", Regex: "gi[rR]", Invert: true},
+							},
+						},
+					},
+				),
+			),
+		},
+		"default-allow-single-intention-with-kitchen-sink-perms": {
+			intentionDefaultAllow: true,
+			intentions: sorted(
+				testSourcePermIntention("web",
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionAllow,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathExact: "/v1/secret",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathPrefix: "/v1",
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							PathRegex: "/v[123]",
+							Methods:   []string{"GET", "HEAD", "OPTIONS"},
+						},
+					},
+					&structs.IntentionPermission{
+						Action: structs.IntentionActionDeny,
+						HTTP: &structs.IntentionHTTPPermission{
+							Header: []structs.IntentionHTTPHeaderPermission{
+								{Name: "x-foo", Present: true},
+								{Name: "x-bar", Exact: "xyz"},
+								{Name: "x-dib", Prefix: "gaz"},
+								{Name: "x-gir", Suffix: "zim"},
+								{Name: "x-zim", Regex: "gi[rR]"},
+								{Name: "z-foo", Present: true, Invert: true},
+								{Name: "z-bar", Exact: "xyz", Invert: true},
+								{Name: "z-dib", Prefix: "gaz", Invert: true},
+								{Name: "z-gir", Suffix: "zim", Invert: true},
+								{Name: "z-zim", Regex: "gi[rR]", Invert: true},
+							},
+						},
+					},
+				),
+			),
+		},
 	}
 
 	for name, tt := range tests {
 		tt := tt
 		t.Run(name, func(t *testing.T) {
+			t.Run("network filter", func(t *testing.T) {
 				filter, err := makeRBACNetworkFilter(tt.intentions, tt.intentionDefaultAllow)
 				require.NoError(t, err)
 
@@ -109,6 +251,15 @@ func TestMakeRBACNetworkFilter(t *testing.T) {
 
 				require.JSONEq(t, golden(t, filepath.Join("rbac", name), "", gotJSON), gotJSON)
 			})
+			t.Run("http filter", func(t *testing.T) {
+				filter, err := makeRBACHTTPFilter(tt.intentions, tt.intentionDefaultAllow)
+				require.NoError(t, err)
+
+				gotJSON := protoToJSON(t, filter)
+
+				require.JSONEq(t, golden(t, filepath.Join("rbac", name+"--httpfilter"), "", gotJSON), gotJSON)
+			})
+		})
 	}
 }
 

agent/xds/testdata/rbac/default-allow-kitchen-sink--httpfilter.golden

@@ -0,0 +1,97 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                    }
+                                              }
+                                        }
+                                  },
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  },
+                              {
+                                    "and_ids": {
+                                          "ids": [
+                                                {
+                                                      "authenticated": {
+                                                            "principal_name": {
+                                                                  "safe_regex": {
+                                                                        "google_re2": {
+                                                                            },
+                                                                        "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/[^/]+$"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/unsafe$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-allow-kitchen-sink.golden

@@ -4,7 +4,7 @@
       "rules": {
             "action": "DENY",
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true
@@ -17,7 +17,7 @@
                                                 "safe_regex": {
                                                       "google_re2": {
                                                           },
-                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
                                                     }
                                               }
                                         }
@@ -28,7 +28,7 @@
                                                 "safe_regex": {
                                                       "google_re2": {
                                                           },
-                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
                                                     }
                                               }
                                         }
@@ -47,6 +47,19 @@
                                                                 }
                                                           }
                                                     },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
                                                 {
                                                       "not_id": {
                                                             "authenticated": {
@@ -59,6 +72,19 @@
                                                                       }
                                                                 }
                                                           }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
                                                     }
                                               ]
                                         }

agent/xds/testdata/rbac/default-allow-one-deny--httpfilter.golden

@@ -0,0 +1,30 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-allow-one-deny.golden

@@ -4,7 +4,7 @@
       "rules": {
             "action": "DENY",
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-allow-service-wildcard-deny--httpfilter.golden

@@ -0,0 +1,30 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/[^/]+$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-allow-service-wildcard-deny.golden

@@ -4,7 +4,7 @@
       "rules": {
             "action": "DENY",
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-allow-single-intention-with-kitchen-sink-perms--httpfilter.golden

@@ -0,0 +1,232 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer7-0": {
+                        "permissions": [
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "url_path": {
+                                                            "path": {
+                                                                  "prefix": "/v1"
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  },
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "and_rules": {
+                                                            "rules": [
+                                                                  {
+                                                                        "url_path": {
+                                                                              "path": {
+                                                                                    "safe_regex": {
+                                                                                          "google_re2": {
+                                                                                              },
+                                                                                          "regex": "/v[123]"
+                                                                                        }
+                                                                                  }
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": ":method",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "GET|HEAD|OPTIONS"
+                                                                                  }
+                                                                            }
+                                                                      }
+                                                                ]
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "prefix": "/v1"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  },
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "and_rules": {
+                                                            "rules": [
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-foo",
+                                                                              "present_match": true
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "exact_match": "xyz",
+                                                                              "name": "x-bar"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-dib",
+                                                                              "prefix_match": "gaz"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-gir",
+                                                                              "suffix_match": "zim"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-zim",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "gi[rR]"
+                                                                                  }
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-foo",
+                                                                              "present_match": true
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "exact_match": "xyz",
+                                                                              "invert_match": true,
+                                                                              "name": "z-bar"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-dib",
+                                                                              "prefix_match": "gaz"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-gir",
+                                                                              "suffix_match": "zim"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-zim",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "gi[rR]"
+                                                                                  }
+                                                                            }
+                                                                      }
+                                                                ]
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "and_rules": {
+                                                                  "rules": [
+                                                                        {
+                                                                              "url_path": {
+                                                                                    "path": {
+                                                                                          "safe_regex": {
+                                                                                                "google_re2": {
+                                                                                                    },
+                                                                                                "regex": "/v[123]"
+                                                                                              }
+                                                                                        }
+                                                                                  }
+                                                                            },
+                                                                        {
+                                                                              "header": {
+                                                                                    "name": ":method",
+                                                                                    "safe_regex_match": {
+                                                                                          "google_re2": {
+                                                                                              },
+                                                                                          "regex": "GET|HEAD|OPTIONS"
+                                                                                        }
+                                                                                  }
+                                                                            }
+                                                                      ]
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "prefix": "/v1"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-allow-single-intention-with-kitchen-sink-perms.golden

@@ -0,0 +1,31 @@
+{
+  "name": "envoy.filters.network.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          },
+      "stat_prefix": "connect_authz"
+    }
+}

agent/xds/testdata/rbac/default-allow-two-path-deny-and-path-allow--httpfilter.golden

@@ -0,0 +1,56 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer7-0": {
+                        "permissions": [
+                              {
+                                    "url_path": {
+                                          "path": {
+                                                "exact": "/v1/secret"
+                                              }
+                                        }
+                                  },
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "url_path": {
+                                                            "path": {
+                                                                  "exact": "/v1/admin"
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-allow-two-path-deny-and-path-allow.golden

@@ -0,0 +1,31 @@
+{
+  "name": "envoy.filters.network.rbac",
+  "config": {
+      "rules": {
+            "action": "DENY",
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          },
+      "stat_prefix": "connect_authz"
+    }
+}

agent/xds/testdata/rbac/default-deny-allow-deny--httpfilter.golden

@@ -0,0 +1,48 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "and_ids": {
+                                          "ids": [
+                                                {
+                                                      "authenticated": {
+                                                            "principal_name": {
+                                                                  "safe_regex": {
+                                                                        "google_re2": {
+                                                                            },
+                                                                        "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/[^/]+$"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-allow-deny.golden

@@ -3,7 +3,7 @@
   "config": {
       "rules": {
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-deny-kitchen-sink--httpfilter.golden

@@ -0,0 +1,96 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                    }
+                                              }
+                                        }
+                                  },
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  },
+                              {
+                                    "and_ids": {
+                                          "ids": [
+                                                {
+                                                      "authenticated": {
+                                                            "principal_name": {
+                                                                  "safe_regex": {
+                                                                        "google_re2": {
+                                                                            },
+                                                                        "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/[^/]+$"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/unsafe$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-kitchen-sink.golden

@@ -3,7 +3,7 @@
   "config": {
       "rules": {
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true
@@ -16,7 +16,7 @@
                                                 "safe_regex": {
                                                       "google_re2": {
                                                           },
-                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
                                                     }
                                               }
                                         }
@@ -27,7 +27,7 @@
                                                 "safe_regex": {
                                                       "google_re2": {
                                                           },
-                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
                                                     }
                                               }
                                         }
@@ -46,6 +46,19 @@
                                                                 }
                                                           }
                                                     },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
                                                 {
                                                       "not_id": {
                                                             "authenticated": {
@@ -58,6 +71,19 @@
                                                                       }
                                                                 }
                                                           }
+                                                    },
+                                                {
+                                                      "not_id": {
+                                                            "authenticated": {
+                                                                  "principal_name": {
+                                                                        "safe_regex": {
+                                                                              "google_re2": {
+                                                                                  },
+                                                                              "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/cron$"
+                                                                            }
+                                                                      }
+                                                                }
+                                                          }
                                                     }
                                               ]
                                         }

agent/xds/testdata/rbac/default-deny-mixed-precedence--httpfilter.golden

@@ -0,0 +1,29 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-mixed-precedence.golden

@@ -3,7 +3,7 @@
   "config": {
       "rules": {
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-deny-one-allow--httpfilter.golden

@@ -0,0 +1,29 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-one-allow.golden

@@ -3,7 +3,7 @@
   "config": {
       "rules": {
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-deny-service-wildcard-allow--httpfilter.golden

@@ -0,0 +1,29 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer4": {
+                        "permissions": [
+                              {
+                                    "any": true
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/[^/]+$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-service-wildcard-allow.golden

@@ -3,7 +3,7 @@
   "config": {
       "rules": {
             "policies": {
-                  "consul-intentions": {
+                  "consul-intentions-layer4": {
                         "permissions": [
                               {
                                     "any": true

agent/xds/testdata/rbac/default-deny-single-intention-with-kitchen-sink-perms--httpfilter.golden

@@ -0,0 +1,231 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer7-0": {
+                        "permissions": [
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "url_path": {
+                                                            "path": {
+                                                                  "prefix": "/v1"
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  },
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "and_rules": {
+                                                            "rules": [
+                                                                  {
+                                                                        "url_path": {
+                                                                              "path": {
+                                                                                    "safe_regex": {
+                                                                                          "google_re2": {
+                                                                                              },
+                                                                                          "regex": "/v[123]"
+                                                                                        }
+                                                                                  }
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": ":method",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "GET|HEAD|OPTIONS"
+                                                                                  }
+                                                                            }
+                                                                      }
+                                                                ]
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "prefix": "/v1"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  },
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "and_rules": {
+                                                            "rules": [
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-foo",
+                                                                              "present_match": true
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "exact_match": "xyz",
+                                                                              "name": "x-bar"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-dib",
+                                                                              "prefix_match": "gaz"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-gir",
+                                                                              "suffix_match": "zim"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "name": "x-zim",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "gi[rR]"
+                                                                                  }
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-foo",
+                                                                              "present_match": true
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "exact_match": "xyz",
+                                                                              "invert_match": true,
+                                                                              "name": "z-bar"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-dib",
+                                                                              "prefix_match": "gaz"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-gir",
+                                                                              "suffix_match": "zim"
+                                                                            }
+                                                                      },
+                                                                  {
+                                                                        "header": {
+                                                                              "invert_match": true,
+                                                                              "name": "z-zim",
+                                                                              "safe_regex_match": {
+                                                                                    "google_re2": {
+                                                                                        },
+                                                                                    "regex": "gi[rR]"
+                                                                                  }
+                                                                            }
+                                                                      }
+                                                                ]
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "and_rules": {
+                                                                  "rules": [
+                                                                        {
+                                                                              "url_path": {
+                                                                                    "path": {
+                                                                                          "safe_regex": {
+                                                                                                "google_re2": {
+                                                                                                    },
+                                                                                                "regex": "/v[123]"
+                                                                                              }
+                                                                                        }
+                                                                                  }
+                                                                            },
+                                                                        {
+                                                                              "header": {
+                                                                                    "name": ":method",
+                                                                                    "safe_regex_match": {
+                                                                                          "google_re2": {
+                                                                                              },
+                                                                                          "regex": "GET|HEAD|OPTIONS"
+                                                                                        }
+                                                                                  }
+                                                                            }
+                                                                      ]
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "prefix": "/v1"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-single-intention-with-kitchen-sink-perms.golden

@@ -0,0 +1,8 @@
+{
+  "name": "envoy.filters.network.rbac",
+  "config": {
+      "rules": {
+          },
+      "stat_prefix": "connect_authz"
+    }
+}

agent/xds/testdata/rbac/default-deny-two-path-deny-and-path-allow--httpfilter.golden

@@ -0,0 +1,57 @@
+{
+  "name": "envoy.filters.http.rbac",
+  "config": {
+      "rules": {
+            "policies": {
+                  "consul-intentions-layer7-0": {
+                        "permissions": [
+                              {
+                                    "and_rules": {
+                                          "rules": [
+                                                {
+                                                      "url_path": {
+                                                            "path": {
+                                                                  "prefix": "/"
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/admin"
+                                                                      }
+                                                                }
+                                                          }
+                                                    },
+                                                {
+                                                      "not_rule": {
+                                                            "url_path": {
+                                                                  "path": {
+                                                                        "exact": "/v1/secret"
+                                                                      }
+                                                                }
+                                                          }
+                                                    }
+                                              ]
+                                        }
+                                  }
+                            ],
+                        "principals": [
+                              {
+                                    "authenticated": {
+                                          "principal_name": {
+                                                "safe_regex": {
+                                                      "google_re2": {
+                                                          },
+                                                      "regex": "^spiffe://[^/]+/ns/default/dc/[^/]+/svc/web$"
+                                                    }
+                                              }
+                                        }
+                                  }
+                            ]
+                      }
+                }
+          }
+    }
+}

agent/xds/testdata/rbac/default-deny-two-path-deny-and-path-allow.golden

@@ -0,0 +1,8 @@
+{
+  "name": "envoy.filters.network.rbac",
+  "config": {
+      "rules": {
+          },
+      "stat_prefix": "connect_authz"
+    }
+}

api/config_entry_intentions.go

@@ -18,7 +18,8 @@ type ServiceIntentionsConfigEntry struct {
 type SourceIntention struct {
 	Name        string
 	Namespace   string                 `json:",omitempty"`
-	Action      IntentionAction
+	Action      IntentionAction        `json:",omitempty"`
+	Permissions []*IntentionPermission `json:",omitempty"`
 	Precedence  int
 	Type        IntentionSourceType
 	Description string `json:",omitempty"`
@@ -52,3 +53,28 @@ func (e *ServiceIntentionsConfigEntry) GetCreateIndex() uint64 {
 func (e *ServiceIntentionsConfigEntry) GetModifyIndex() uint64 {
 	return e.ModifyIndex
 }
+
+type IntentionPermission struct {
+	Action IntentionAction
+	HTTP   *IntentionHTTPPermission `json:",omitempty"`
+}
+
+type IntentionHTTPPermission struct {
+	PathExact  string `json:",omitempty" alias:"path_exact"`
+	PathPrefix string `json:",omitempty" alias:"path_prefix"`
+	PathRegex  string `json:",omitempty" alias:"path_regex"`
+
+	Header []IntentionHTTPHeaderPermission `json:",omitempty"`
+
+	Methods []string `json:",omitempty"`
+}
+
+type IntentionHTTPHeaderPermission struct {
+	Name    string
+	Present bool   `json:",omitempty"`
+	Exact   string `json:",omitempty"`
+	Prefix  string `json:",omitempty"`
+	Suffix  string `json:",omitempty"`
+	Regex   string `json:",omitempty"`
+	Invert  bool   `json:",omitempty"`
+}

api/config_entry_test.go

@@ -900,6 +900,168 @@ func TestDecodeConfigEntry(t *testing.T) {
 				},
 			},
 		},
+		{
+			name: "service-intentions: kitchen sink",
+			body: `
+			{
+				"Kind": "service-intentions",
+				"Name": "web",
+				"Meta" : {
+					"foo": "bar",
+					"gir": "zim"
+				},
+				"Sources": [
+					{
+						"Name": "foo",
+						"Action": "deny",
+						"Type": "consul",
+						"Description": "foo desc"
+					},
+					{
+						"Name": "bar",
+						"Action": "allow",
+						"Description": "bar desc"
+					},
+					{
+						"Name": "l7",
+						"Permissions": [
+							{
+								"Action": "deny",
+								"HTTP": {
+									"PathExact": "/admin",
+									"Header": [
+										{
+											"Name": "hdr-present",
+											"Present": true
+										},
+										{
+											"Name": "hdr-exact",
+											"Exact": "exact"
+										},
+										{
+											"Name": "hdr-prefix",
+											"Prefix": "prefix"
+										},
+										{
+											"Name": "hdr-suffix",
+											"Suffix": "suffix"
+										},
+										{
+											"Name": "hdr-regex",
+											"Regex": "regex"
+										},
+										{
+											"Name": "hdr-absent",
+											"Present": true,
+											"Invert": true
+										}
+									]
+								}
+							},
+							{
+								"Action": "allow",
+								"HTTP": {
+									"PathPrefix": "/v3/"
+								}
+							},
+							{
+								"Action": "allow",
+								"HTTP": {
+									"PathRegex": "/v[12]/.*",
+									"Methods": [
+										"GET",
+										"POST"
+									]
+								}
+							}
+						]
+					},
+					{
+						"Name": "*",
+						"Action": "deny",
+						"Description": "wild desc"
+					}
+				]
+			}
+			`,
+			expect: &ServiceIntentionsConfigEntry{
+				Kind: "service-intentions",
+				Name: "web",
+				Meta: map[string]string{
+					"foo": "bar",
+					"gir": "zim",
+				},
+				Sources: []*SourceIntention{
+					{
+						Name:        "foo",
+						Action:      "deny",
+						Type:        "consul",
+						Description: "foo desc",
+					},
+					{
+						Name:        "bar",
+						Action:      "allow",
+						Description: "bar desc",
+					},
+					{
+						Name: "l7",
+						Permissions: []*IntentionPermission{
+							{
+								Action: "deny",
+								HTTP: &IntentionHTTPPermission{
+									PathExact: "/admin",
+									Header: []IntentionHTTPHeaderPermission{
+										{
+											Name:    "hdr-present",
+											Present: true,
+										},
+										{
+											Name:  "hdr-exact",
+											Exact: "exact",
+										},
+										{
+											Name:   "hdr-prefix",
+											Prefix: "prefix",
+										},
+										{
+											Name:   "hdr-suffix",
+											Suffix: "suffix",
+										},
+										{
+											Name:  "hdr-regex",
+											Regex: "regex",
+										},
+										{
+											Name:    "hdr-absent",
+											Present: true,
+											Invert:  true,
+										},
+									},
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &IntentionHTTPPermission{
+									PathPrefix: "/v3/",
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &IntentionHTTPPermission{
+									PathRegex: "/v[12]/.*",
+									Methods:   []string{"GET", "POST"},
+								},
+							},
+						},
+					},
+					{
+						Name:        "*",
+						Action:      "deny",
+						Description: "wild desc",
+					},
+				},
+			},
+		},
 	} {
 		tc := tc
 

api/connect_intention.go

@@ -34,7 +34,14 @@ type Intention struct {
 	SourceType IntentionSourceType
 
 	// Action is whether this is an allowlist or denylist intention.
-	Action IntentionAction
+	Action IntentionAction `json:",omitempty"`
+
+	// Permissions is the list of additional L7 attributes that extend the
+	// intention definition.
+	//
+	// NOTE: This field is not editable unless editing the underlying
+	// service-intentions config entry directly.
+	Permissions []*IntentionPermission `json:",omitempty"`
 
 	// DefaultAddr is not used.
 	// Deprecated: DefaultAddr is not used and may be removed in a future version.
@@ -69,10 +76,20 @@ type Intention struct {
 
 // String returns human-friendly output describing ths intention.
 func (i *Intention) String() string {
+	var detail string
+	switch n := len(i.Permissions); n {
+	case 0:
+		detail = string(i.Action)
+	case 1:
+		detail = "1 permission"
+	default:
+		detail = fmt.Sprintf("%d permissions", len(i.Permissions))
+	}
+
 	return fmt.Sprintf("%s => %s (%s)",
 		i.SourceString(),
 		i.DestinationString(),
-		i.Action)
+		detail)
 }
 
 // SourceString returns the namespace/name format for the source, or

command/config/write/config_write_test.go

@@ -1931,6 +1931,57 @@ func TestParseConfigEntry(t *testing.T) {
 					name        = "bar"
 					action      = "allow"
 					description = "bar desc"
+				  },
+				  {
+					name = "l7"
+					permissions = [
+					  {
+						action = "deny"
+						http {
+						  path_exact = "/admin"
+						  header = [
+							{
+							  name    = "hdr-present"
+							  present = true
+							},
+							{
+							  name  = "hdr-exact"
+							  exact = "exact"
+							},
+							{
+							  name   = "hdr-prefix"
+							  prefix = "prefix"
+							},
+							{
+							  name   = "hdr-suffix"
+							  suffix = "suffix"
+							},
+							{
+							  name  = "hdr-regex"
+							  regex = "regex"
+							},
+							{
+							  name    = "hdr-absent"
+							  present = true
+							  invert  = true
+							}
+						  ]
+						}
+					  },
+					  {
+						action = "allow"
+						http {
+						  path_prefix = "/v3/"
+						}
+					  },
+					  {
+						action = "allow"
+						http {
+						  path_regex = "/v[12]/.*"
+						  methods    = ["GET", "POST"]
+						}
+					  }
+					]
 				  }
 				]
 				sources {
@@ -1957,6 +2008,57 @@ func TestParseConfigEntry(t *testing.T) {
 					Name        = "bar"
 					Action      = "allow"
 					Description = "bar desc"
+				  },
+				  {
+					Name = "l7"
+					Permissions = [
+					  {
+						Action = "deny"
+						HTTP {
+						  PathExact = "/admin"
+						  Header = [
+							{
+							  Name    = "hdr-present"
+							  Present = true
+							},
+							{
+							  Name  = "hdr-exact"
+							  Exact = "exact"
+							},
+							{
+							  Name   = "hdr-prefix"
+							  Prefix = "prefix"
+							},
+							{
+							  Name   = "hdr-suffix"
+							  Suffix = "suffix"
+							},
+							{
+							  Name  = "hdr-regex"
+							  Regex = "regex"
+							},
+							{
+							  Name    = "hdr-absent"
+							  Present = true
+							  Invert  = true
+							}
+						  ]
+						}
+					  },
+					  {
+						Action = "allow"
+						HTTP {
+						  PathPrefix = "/v3/"
+						}
+					  },
+					  {
+						Action = "allow"
+						HTTP {
+						  PathRegex = "/v[12]/.*"
+						  Methods   = ["GET", "POST"]
+						}
+					  }
+					]
 				  }
 				]
 				Sources {
@@ -1985,6 +2087,60 @@ func TestParseConfigEntry(t *testing.T) {
 						"action": "allow",
 						"description": "bar desc"
 					},
+					{
+						"name": "l7",
+						"permissions": [
+							{
+								"action": "deny",
+								"http": {
+									"path_exact": "/admin",
+									"header": [
+										{
+											"name": "hdr-present",
+											"present": true
+										},
+										{
+											"name": "hdr-exact",
+											"exact": "exact"
+										},
+										{
+											"name": "hdr-prefix",
+											"prefix": "prefix"
+										},
+										{
+											"name": "hdr-suffix",
+											"suffix": "suffix"
+										},
+										{
+											"name": "hdr-regex",
+											"regex": "regex"
+										},
+										{
+											"name": "hdr-absent",
+											"present": true,
+											"invert": true
+										}
+									]
+								}
+							},
+							{
+								"action": "allow",
+								"http": {
+									"path_prefix": "/v3/"
+								}
+							},
+							{
+								"action": "allow",
+								"http": {
+									"path_regex": "/v[12]/.*",
+									"methods": [
+										"GET",
+										"POST"
+									]
+								}
+							}
+						]
+					},
 					{
 						"name": "*",
 						"action": "deny",
@@ -2013,6 +2169,60 @@ func TestParseConfigEntry(t *testing.T) {
 						"Action": "allow",
 						"Description": "bar desc"
 					},
+					{
+						"Name": "l7",
+						"Permissions": [
+							{
+								"Action": "deny",
+								"HTTP": {
+									"PathExact": "/admin",
+									"Header": [
+										{
+											"Name": "hdr-present",
+											"Present": true
+										},
+										{
+											"Name": "hdr-exact",
+											"Exact": "exact"
+										},
+										{
+											"Name": "hdr-prefix",
+											"Prefix": "prefix"
+										},
+										{
+											"Name": "hdr-suffix",
+											"Suffix": "suffix"
+										},
+										{
+											"Name": "hdr-regex",
+											"Regex": "regex"
+										},
+										{
+											"Name": "hdr-absent",
+											"Present": true,
+											"Invert": true
+										}
+									]
+								}
+							},
+							{
+								"Action": "allow",
+								"HTTP": {
+									"PathPrefix": "/v3/"
+								}
+							},
+							{
+								"Action": "allow",
+								"HTTP": {
+									"PathRegex": "/v[12]/.*",
+									"Methods": [
+										"GET",
+										"POST"
+									]
+								}
+							}
+						]
+					},
 					{
 						"Name": "*",
 						"Action": "deny",
@@ -2040,6 +2250,57 @@ func TestParseConfigEntry(t *testing.T) {
 						Action:      "allow",
 						Description: "bar desc",
 					},
+					{
+						Name: "l7",
+						Permissions: []*api.IntentionPermission{
+							{
+								Action: "deny",
+								HTTP: &api.IntentionHTTPPermission{
+									PathExact: "/admin",
+									Header: []api.IntentionHTTPHeaderPermission{
+										{
+											Name:    "hdr-present",
+											Present: true,
+										},
+										{
+											Name:  "hdr-exact",
+											Exact: "exact",
+										},
+										{
+											Name:   "hdr-prefix",
+											Prefix: "prefix",
+										},
+										{
+											Name:   "hdr-suffix",
+											Suffix: "suffix",
+										},
+										{
+											Name:  "hdr-regex",
+											Regex: "regex",
+										},
+										{
+											Name:    "hdr-absent",
+											Present: true,
+											Invert:  true,
+										},
+									},
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &api.IntentionHTTPPermission{
+									PathPrefix: "/v3/",
+								},
+							},
+							{
+								Action: "allow",
+								HTTP: &api.IntentionHTTPPermission{
+									PathRegex: "/v[12]/.*",
+									Methods:   []string{"GET", "POST"},
+								},
+							},
+						},
+					},
 					{
 						Name:        "*",
 						Action:      "deny",

command/intention/create/create.go

@@ -177,22 +177,34 @@ func (c *cmd) ixnsFromArgs(args []string) ([]*api.Intention, error) {
 func (c *cmd) ixnsFromFiles(args []string) ([]*api.Intention, error) {
 	var result []*api.Intention
 	for _, path := range args {
+		ixn, err := c.ixnFromFile(path)
+		if err != nil {
+			return nil, err
+		}
+
+		result = append(result, ixn)
+	}
+
+	return result, nil
+}
+
+func (c *cmd) ixnFromFile(path string) (*api.Intention, error) {
 	f, err := os.Open(path)
 	if err != nil {
 		return nil, err
 	}
+	defer f.Close()
 
 	var ixn api.Intention
-		err = json.NewDecoder(f).Decode(&ixn)
+	if err := json.NewDecoder(f).Decode(&ixn); err != nil {
-		f.Close()
-		if err != nil {
 		return nil, err
 	}
 
-		result = append(result, &ixn)
+	if len(ixn.Permissions) > 0 {
+		return nil, fmt.Errorf("cannot create L7 intention from file %q using this CLI; use 'consul config write' instead", path)
 	}
 
-	return result, nil
+	return &ixn, nil
 }
 
 // ixnAction returns the api.IntentionAction based on the flag set.

command/intention/create/create_test.go

@@ -174,6 +174,47 @@ func TestIntentionCreate_File(t *testing.T) {
 	require.Equal(api.IntentionActionAllow, ixns[0].Action)
 }
 
+func TestIntentionCreate_File_L7_fails(t *testing.T) {
+	t.Parallel()
+
+	require := require.New(t)
+	a := agent.NewTestAgent(t, ``)
+	defer a.Shutdown()
+
+	testrpc.WaitForTestAgent(t, a.RPC, "dc1")
+
+	ui := cli.NewMockUi()
+	c := New(ui)
+
+	contents := `
+{
+  "SourceName": "foo",
+  "DestinationName": "bar",
+  "Permissions": [
+    {
+      "Action": "allow",
+      "HTTP": {
+        "PathExact": "/foo"
+      }
+    }
+  ]
+}
+	`
+	f := testutil.TempFile(t, "intention-create-command-file")
+	if _, err := f.WriteString(contents); err != nil {
+		t.Fatalf("err: %#v", err)
+	}
+
+	args := []string{
+		"-http-addr=" + a.HTTPAddr(),
+		"-file",
+		f.Name(),
+	}
+
+	require.Equal(1, c.Run(args), ui.ErrorWriter.String())
+	require.Contains(ui.ErrorWriter.String(), "cannot create L7 intention from file")
+}
+
 func TestIntentionCreate_FileNoExist(t *testing.T) {
 	t.Parallel()
 

command/intention/delete/delete_test.go

@@ -85,6 +85,28 @@ func TestIntentionDelete(t *testing.T) {
 	}, nil)
 	require.NoError(t, err)
 
+	// Ensure "api" is L7
+	_, _, err = client.ConfigEntries().Set(&api.ServiceConfigEntry{
+		Kind:     api.ServiceDefaults,
+		Name:     "api",
+		Protocol: "http",
+	}, nil)
+	require.NoError(t, err)
+
+	_, err = client.Connect().IntentionUpsert(&api.Intention{
+		SourceName:      "web",
+		DestinationName: "api",
+		Permissions: []*api.IntentionPermission{
+			{
+				Action: api.IntentionActionAllow,
+				HTTP: &api.IntentionHTTPPermission{
+					PathExact: "/foo",
+				},
+			},
+		},
+	}, nil)
+	require.NoError(t, err)
+
 	t.Run("l4 intention", func(t *testing.T) {
 		t.Run("one arg", func(t *testing.T) {
 			ui := cli.NewMockUi()
@@ -110,6 +132,20 @@ func TestIntentionDelete(t *testing.T) {
 		})
 	})
 
+	t.Run("l7 intention", func(t *testing.T) {
+		t.Run("two args", func(t *testing.T) {
+			ui := cli.NewMockUi()
+			c := New(ui)
+
+			args := []string{
+				"-http-addr=" + a.HTTPAddr(),
+				"web", "api",
+			}
+			require.Equal(t, 0, c.Run(args), ui.ErrorWriter.String())
+			require.Contains(t, ui.OutputWriter.String(), "deleted")
+		})
+	})
+
 	// They should all be gone.
 	{
 		ixns, _, err := client.Connect().Intentions(nil)

command/intention/get/get.go

@@ -1,6 +1,7 @@
 package get
 
 import (
+	"encoding/json"
 	"flag"
 	"fmt"
 	"io"
@@ -60,7 +61,9 @@ func (c *cmd) Run(args []string) int {
 	data := []string{
 		fmt.Sprintf("Source:\x1f%s", ixn.SourceString()),
 		fmt.Sprintf("Destination:\x1f%s", ixn.DestinationString()),
-		fmt.Sprintf("Action:\x1f%s", ixn.Action),
+	}
+	if ixn.Action != "" {
+		data = append(data, fmt.Sprintf("Action:\x1f%s", ixn.Action))
 	}
 	if ixn.ID != "" {
 		data = append(data, fmt.Sprintf("ID:\x1f%s", ixn.ID))
@@ -84,6 +87,14 @@ func (c *cmd) Run(args []string) int {
 
 	c.UI.Output(columnize.Format(data, &columnize.Config{Delim: string([]byte{0x1f})}))
 
+	if len(ixn.Permissions) > 0 {
+		b, err := json.MarshalIndent(ixn.Permissions, "", "  ")
+		if err != nil {
+			c.UI.Error(err.Error())
+			return 1
+		}
+		c.UI.Output("Permissions:\n" + string(b))
+	}
 	return 0
 }
 

command/intention/helpers_test.go

@@ -28,6 +28,28 @@ func TestGetFromArgs(t *testing.T) {
 	}, nil)
 	require.NoError(t, err)
 
+	// Ensure "y" is L7
+	_, _, err = client.ConfigEntries().Set(&api.ServiceConfigEntry{
+		Kind:     api.ServiceDefaults,
+		Name:     "y",
+		Protocol: "http",
+	}, nil)
+	require.NoError(t, err)
+
+	_, err = client.Connect().IntentionUpsert(&api.Intention{
+		SourceName:      "x",
+		DestinationName: "y",
+		Permissions: []*api.IntentionPermission{
+			{
+				Action: api.IntentionActionAllow,
+				HTTP: &api.IntentionHTTPPermission{
+					PathExact: "/foo",
+				},
+			},
+		},
+	}, nil)
+	require.NoError(t, err)
+
 	t.Run("l4 intention", func(t *testing.T) {
 		t.Run("one arg", func(t *testing.T) {
 			ixn, err := GetFromArgs(client, []string{id0})
@@ -36,6 +58,7 @@ func TestGetFromArgs(t *testing.T) {
 			require.Equal(t, "a", ixn.SourceName)
 			require.Equal(t, "b", ixn.DestinationName)
 			require.Equal(t, api.IntentionActionAllow, ixn.Action)
+			require.Empty(t, ixn.Permissions)
 		})
 		t.Run("two args", func(t *testing.T) {
 			ixn, err := GetFromArgs(client, []string{"a", "b"})
@@ -44,6 +67,24 @@ func TestGetFromArgs(t *testing.T) {
 			require.Equal(t, "a", ixn.SourceName)
 			require.Equal(t, "b", ixn.DestinationName)
 			require.Equal(t, api.IntentionActionAllow, ixn.Action)
+			require.Empty(t, ixn.Permissions)
+		})
+	})
+
+	t.Run("l7 intention", func(t *testing.T) {
+		t.Run("two args", func(t *testing.T) {
+			ixn, err := GetFromArgs(client, []string{"x", "y"})
+			require.NoError(t, err)
+			require.Empty(t, ixn.ID)
+			require.Equal(t, "x", ixn.SourceName)
+			require.Equal(t, "y", ixn.DestinationName)
+			require.Empty(t, ixn.Action)
+			require.Equal(t, []*api.IntentionPermission{{
+				Action: api.IntentionActionAllow,
+				HTTP: &api.IntentionHTTPPermission{
+					PathExact: "/foo",
+				},
+			}}, ixn.Permissions)
 		})
 	})
 

test/integration/connect/envoy/case-l7-intentions/capture.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+snapshot_envoy_admin localhost:19000 s1 primary || true
+snapshot_envoy_admin localhost:19001 s2 || true

test/integration/connect/envoy/case-l7-intentions/config_entries.hcl

@@ -0,0 +1,97 @@
+enable_central_service_config = true
+
+acl {
+  default_policy = "deny"
+}
+
+config_entries {
+  bootstrap {
+    kind     = "service-defaults"
+    name     = "s2"
+    protocol = "http"
+  }
+
+  # TODO: test header invert
+  bootstrap {
+    kind = "service-intentions"
+    name = "s2"
+
+    sources {
+      name = "s1"
+      permissions = [
+        // paths
+        {
+          action = "allow"
+          http { path_exact = "/exact" }
+        },
+        {
+          action = "allow"
+          http { path_prefix = "/prefix" }
+        },
+        {
+          action = "allow"
+          http { path_regex = "/reg[ex]{2}" }
+        },
+        // headers
+        {
+          action = "allow"
+          http {
+            path_exact = "/hdr-present"
+            header = [{
+              name    = "x-test-debug"
+              present = true
+            }]
+          }
+        },
+        {
+          action = "allow"
+          http {
+            path_exact = "/hdr-exact"
+            header = [{
+              name  = "x-test-debug"
+              exact = "exact"
+            }]
+          }
+        },
+        {
+          action = "allow"
+          http {
+            path_exact = "/hdr-prefix"
+            header = [{
+              name   = "x-test-debug"
+              prefix = "prefi"
+            }]
+          }
+        },
+        {
+          action = "allow"
+          http {
+            path_exact = "/hdr-suffix"
+            header = [{
+              name   = "x-test-debug"
+              suffix = "uffix"
+            }]
+          }
+        },
+        {
+          action = "allow"
+          http {
+            path_exact = "/hdr-regex"
+            header = [{
+              name  = "x-test-debug"
+              regex = "reg[ex]{2}"
+            }]
+          }
+        },
+        // methods
+        {
+          action = "allow"
+          http {
+            path_exact = "/method-match"
+            methods    = ["GET", "PUT"]
+          }
+        }
+      ]
+    }
+  }
+}

test/integration/connect/envoy/case-l7-intentions/setup.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+set -euo pipefail
+
+# wait for bootstrap to apply config entries
+wait_for_config_entry service-defaults s2
+wait_for_config_entry service-intentions s2
+
+gen_envoy_bootstrap s1 19000
+gen_envoy_bootstrap s2 19001

test/integration/connect/envoy/case-l7-intentions/verify.bats

@@ -0,0 +1,84 @@
+#!/usr/bin/env bats
+
+load helpers
+
+@test "s1 proxy admin is up on :19000" {
+  retry_default curl -f -s localhost:19000/stats -o /dev/null
+}
+
+@test "s2 proxy admin is up on :19001" {
+  retry_default curl -f -s localhost:19001/stats -o /dev/null
+}
+
+@test "s1 proxy listener should be up and have right cert" {
+  assert_proxy_presents_cert_uri localhost:21000 s1
+}
+
+@test "s2 proxy listener should be up and have right cert" {
+  assert_proxy_presents_cert_uri localhost:21001 s2
+}
+
+@test "s2 proxies should be healthy" {
+  assert_service_has_healthy_instances s2 1
+}
+
+@test "s1 upstream should have healthy endpoints for s2" {
+  assert_upstream_has_endpoints_in_status 127.0.0.1:19000 s2.default.primary HEALTHY 1
+}
+
+# these all use the same context: "s1 upstream should be able to connect to s2 via upstream s2"
+
+@test "test exact path" {
+  must_pass_http_request GET localhost:5000/exact
+  must_fail_http_request GET localhost:5000/exact-nope
+}
+
+@test "test prefix path" {
+  must_pass_http_request GET localhost:5000/prefix
+  must_fail_http_request GET localhost:5000/nope-prefix
+}
+
+@test "test regex path" {
+  must_pass_http_request GET localhost:5000/regex
+  must_fail_http_request GET localhost:5000/reggex
+}
+
+@test "test present header" {
+  must_pass_http_request GET localhost:5000/hdr-present anything
+  must_fail_http_request GET localhost:5000/hdr-present ""
+}
+
+@test "test exact header" {
+  must_pass_http_request GET localhost:5000/hdr-exact exact
+  must_fail_http_request GET localhost:5000/hdr-exact exact-nope
+}
+
+@test "test prefix header" {
+  must_pass_http_request GET localhost:5000/hdr-prefix prefix
+  must_fail_http_request GET localhost:5000/hdr-prefix nope-prefix
+}
+
+@test "test suffix header" {
+  must_pass_http_request GET localhost:5000/hdr-suffix suffix
+  must_fail_http_request GET localhost:5000/hdr-suffix suffix-nope
+}
+
+@test "test regex header" {
+  must_pass_http_request GET localhost:5000/hdr-regex regex
+  must_fail_http_request GET localhost:5000/hdr-regex reggex
+}
+
+@test "test method match" {
+  must_pass_http_request GET localhost:5000/method-match
+  must_pass_http_request PUT localhost:5000/method-match
+  must_fail_http_request POST localhost:5000/method-match
+  must_fail_http_request HEAD localhost:5000/method-match
+}
+
+# @test "s1 upstream should NOT be able to connect to s2" {
+#   run retry_default must_fail_tcp_connection localhost:5000
+
+#   echo "OUTPUT $output"
+
+#   [ "$status" == "0" ]
+# }

test/integration/connect/envoy/helpers.bash

@@ -554,6 +554,73 @@ function must_fail_http_connection {
   echo "$output" | grep "${expect_response}"
 }
 
+# must_pass_http_request allows you to craft a specific http request to assert
+# that envoy will NOT reject the request. Primarily of use for testing L7
+# intentions.
+function must_pass_http_request {
+  local METHOD=$1
+  local URL=$2
+  local DEBUG_HEADER_VALUE="${3:-""}"
+
+  local extra_args
+  if [[ -n "${DEBUG_HEADER_VALUE}" ]]; then
+    extra_args="-H x-test-debug:${DEBUG_HEADER_VALUE}"
+  fi
+  case "$METHOD" in
+    GET)
+      ;;
+    DELETE)
+      extra_args="$extra_args -X${METHOD}"
+      ;;
+    PUT|POST)
+      extra_args="$extra_args -d'{}' -X${METHOD}"
+      ;;
+    *)
+      return 1
+      ;;
+  esac
+
+  run retry_default curl -v -s -f $extra_args "$URL"
+  [ "$status" == 0 ]
+}
+
+# must_fail_http_request allows you to craft a specific http request to assert
+# that envoy will reject the request. Primarily of use for testing L7
+# intentions.
+function must_fail_http_request {
+  local METHOD=$1
+  local URL=$2
+  local DEBUG_HEADER_VALUE="${3:-""}"
+
+  local extra_args
+  if [[ -n "${DEBUG_HEADER_VALUE}" ]]; then
+      extra_args="-H x-test-debug:${DEBUG_HEADER_VALUE}"
+  fi
+  case "$METHOD" in
+    HEAD)
+      extra_args="$extra_args -I"
+      ;;
+    GET)
+      ;;
+    DELETE)
+      extra_args="$extra_args -X${METHOD}"
+      ;;
+    PUT|POST)
+      extra_args="$extra_args -d'{}' -X${METHOD}"
+      ;;
+    *)
+      return 1
+      ;;
+  esac
+
+  # Attempt to curl through upstream
+  run retry_default curl -s -i $extra_args "$URL"
+
+  echo "OUTPUT $output"
+
+  echo "$output" | grep "403 Forbidden"
+}
+
 function gen_envoy_bootstrap {
   SERVICE=$1
   ADMIN_PORT=$2

test/integration/connect/envoy/main_test.go

@@ -38,6 +38,7 @@ func TestEnvoy(t *testing.T) {
 		"case-ingress-gateway-simple",
 		"case-ingress-gateway-tls",
 		"case-ingress-mesh-gateways-resolver",
+		"case-l7-intentions",
 		"case-multidc-rsa-ca",
 		"case-prometheus",
 		"case-statsd-udp",

test/integration/connect/envoy/test-envoy-versions.sh

@@ -6,11 +6,34 @@ unset CDPATH
 
 cd "$(dirname "$0")"
 
+## no rbac url_path support
+    # 1.12.0
+    # 1.12.1
+    # 1.12.2
+    # 1.13.0
+
+## does not exist in docker
+    # 1.13.5
+    # 1.14.0
 versions=(
-    1.15.0
+    1.12.3
-    1.14.4
+    1.12.4
-    1.13.4
+    1.12.5
     1.12.6
+    1.12.7
+    1.13.1
+    1.13.2
+    1.13.3
+    1.13.4
+    1.13.6
+    1.14.1
+    1.14.2
+    1.14.3
+    1.14.4
+    1.14.5
+    1.15.0
+    1.15.1
+    1.15.2
 )
 
 for v in "${versions[@]}"; do