Normalize table with nobrs
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@ -104,25 +104,25 @@ you may register the service as a node in the Consul catalog.
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The [`destination`](/docs/connect/config-entries/service-defaults#terminating-gateway-destination) field of the `ServiceDefaults` Custom Resource Definition (CRD) allows clients to dial an external service directly. For this method to work, [`TransparentProxy`](/docs/connect/transparent-proxy) must be enabled.
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The [`destination`](/docs/connect/config-entries/service-defaults#terminating-gateway-destination) field of the `ServiceDefaults` Custom Resource Definition (CRD) allows clients to dial an external service directly. For this method to work, [`TransparentProxy`](/docs/connect/transparent-proxy) must be enabled.
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The following table describes traffic behaviors when using the `destination` field to route traffic through a terminating gateway:
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The following table describes traffic behaviors when using the `destination` field to route traffic through a terminating gateway:
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| External Services Layer | Client dials | Client uses TLS | Allowed | Notes |
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| <nobr>External Services Layer</nobr> | <nobr>Client dials</nobr> | <nobr>Client uses TLS</nobr> | Allowed | Notes |
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| ----------------------- | ------------ | --------------- | ----------- | --------------------------------------------------------------------------------------------- |
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|--------------------------------------|---------------------------|------------------------------|--------------------------|-----------------------------------------------------------------------------------------------|
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| L4 | Hostname | Yes | Allowed | `CAFiles` are not allowed because traffic is already end-to-end encrypted by the client. |
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| L4 | Hostname | Yes | <nobr>Allowed</nobr> | `CAFiles` are not allowed because traffic is already end-to-end encrypted by the client. |
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| L4 | IP | Yes | Allowed | `CAFiles` are not allowed because traffic is already end-to-end encrypted by the client. |
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| L4 | IP | Yes | <nobr>Allowed</nobr> | `CAFiles` are not allowed because traffic is already end-to-end encrypted by the client. |
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| L4 | Hostname | No | Not allowed | The sidecar is not protocol aware and can not identify traffic going to the external service. |
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| L4 | Hostname | No | <nobr>Not allowed</nobr> | The sidecar is not protocol aware and can not identify traffic going to the external service. |
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| L4 | IP | No | Allowed | There are no limitations on dialing IPs without TLS. |
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| L4 | IP | No | <nobr>Allowed</nobr> | There are no limitations on dialing IPs without TLS. |
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| L7 | Hostname | Yes | Not allowed | Because traffic is already encrypted before the sidecar, it cannot route as L7 traffic. |
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| L7 | Hostname | Yes | <nobr>Not allowed</nobr> | Because traffic is already encrypted before the sidecar, it cannot route as L7 traffic. |
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| L7 | IP | Yes | Not allowed | Because traffic is already encrypted before the sidecar, it cannot route as L7 traffic. |
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| L7 | IP | Yes | <nobr>Not allowed</nobr> | Because traffic is already encrypted before the sidecar, it cannot route as L7 traffic. |
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| L7 | Hostname | No | Allowed | A `Host` or `:authority` header is required. |
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| L7 | Hostname | No | <nobr>Allowed</nobr> | A `Host` or `:authority` header is required. |
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| L7 | IP | No | Allowed | There are no limitations on dialing IPs without TLS. |
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| L7 | IP | No | <nobr>Allowed</nobr> | There are no limitations on dialing IPs without TLS. |
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You can provide a `caFile` to secure traffic between unencrypted clients that connect to external services through the terminating gateway.
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You can provide a `caFile` to secure traffic between unencrypted clients that connect to external services through the terminating gateway.
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Refer to [Create the configuration entry for the terminating gateway](#create-the-configuration-entry-for-the-terminating-gateway) for details.
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Refer to [Create the configuration entry for the terminating gateway](#create-the-configuration-entry-for-the-terminating-gateway) for details.
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Also note that regardless of the `protocol` specified in the `ServiceDefaults`, [L7 intentions](/docs/connect/config-entries/service-intentions#permissions) are not currently supported with `ServiceDefaults` destinations.
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-> **Note:** Regardless of the `protocol` specified in the `ServiceDefaults`, [L7 intentions](/docs/connect/config-entries/service-intentions#permissions) are not currently supported with `ServiceDefaults` destinations.
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Create a `ServiceDefaults` custom resource for the external service:
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Create a `ServiceDefaults` custom resource for the external service:
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<CodeBlockConfig filename="serviceDefaults.yaml">
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<CodeBlockConfig filename="service-defaults.yaml">
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```yaml
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```yaml
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apiVersion: consul.hashicorp.com/v1alpha1
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apiVersion: consul.hashicorp.com/v1alpha1
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@ -142,14 +142,15 @@ Create a `ServiceDefaults` custom resource for the external service:
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Apply the `ServiceDefaults` resource with `kubectl apply`:
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Apply the `ServiceDefaults` resource with `kubectl apply`:
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```shell-session
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```shell-session
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$ kubectl apply --filename serviceDefaults.yaml
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$ kubectl apply --filename service-defaults.yaml
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```
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```
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All other terminating gateway operations can use the name of the `ServiceDefaults` in place of a typical Consul service name.
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All other terminating gateway operations can use the name of the `ServiceDefaults` component, in this case "example-https", as a Consul service name.
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</Tab>
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</Tab>
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<Tab heading="Using Consul catalog">
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<Tab heading="Using Consul catalog">
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-> **Note:** Normal Consul services are registered with the Consul client on the node that
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Normally, Consul services are registered with the Consul client on the node that
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they're running on. Since this is an external service, there is no Consul node
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they're running on. Since this is an external service, there is no Consul node
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to register it onto. Instead, we will make up a node name and register the
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to register it onto. Instead, we will make up a node name and register the
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service to that node.
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service to that node.
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