72 lines
2.2 KiB
Markdown
72 lines
2.2 KiB
Markdown
---
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layout: "docs"
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page_title: "Vault Enterprise MFA Support"
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sidebar_current: "docs-vault-enterprise-mfa"
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description: |-
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Vault Enterprise has support for Multi-factor Authentication (MFA), using different authentication types.
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---
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# Vault Enterprise MFA Support
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Vault Enterprise has support for Multi-factor Authentication (MFA), using
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different authentication types. MFA is built on top of the Identity system of
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Vault.
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## MFA Types
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MFA in Vault can be of the following types.
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- `Time-based One-time Password (TOTP)` - If configured and enabled on a path,
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this would require a TOTP passcode along with Vault token, to be presented
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while invoking the API request. The passcode will be validated against the
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TOTP key present in the identity of the caller in Vault.
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- `Okta` - If Okta push is configured and enabled on a path, then the enrolled
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device of the user will get a push notification to approve or deny the access
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to the API. The Okta username will be derived from the caller identity's
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persona.
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- `Duo` - If Duo push is configured and enabled on a path, then the enrolled
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device of the user will get a push notification to approve or deny the access
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to the API. The Duo username will be derived from the caller identity's
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persona.
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## Configuring MFA Methods
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MFA methods are globally managed within the `System Backend` using the HTTP API.
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Please see [MFA API](/api/system/mfa.html) for details on how to configure an MFA
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method.
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## MFA Methods In Policies
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MFA requirements on paths are specified as `mfa_methods` along with other ACL
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parameters.
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### Sample Policy
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```
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path "secret/foo" {
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capabilities = ["read"]
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mfa_methods = ["dev_team_duo", "sales_team_totp"]
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}
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```
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The above policy grants `read` access to `secret/foo` only after *both* the MFA
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methods `dev_team_duo` and `sales_team_totp` are validated.
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## Supplying MFA Credentials
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MFA credentials are retrieved from the `X-Vault-MFA` HTTP header. The format of
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the header is `mfa_method_name[:key[=value]]`. The items in the `[]` are
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optional.
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### Sample Request
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```
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$ curl \
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--header "X-Vault-Token: ..." \
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--header "X-Vault-MFA:my_totp:695452" \
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https://vault.rocks/v1/secret/foo
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```
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