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In Vault's identity system, what role does an entity alias play?
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Alex
An entity alias maps a Vault identity entity to a specific auth method mount and the login name used at that mount. This lets a single canonical entity span multiple auth backends (e.g., LDAP, OIDC, userpass), consolidating policies and group memberships under one identity. Creating an alias requires the mount accessor (via vault auth list) and the alias name. The option “It grants the entity a secondary set of policies…” is wrong—aliases do not grant or override policies; policies come from the entity and its groups. The option “It acts as a short-lived token attached to the entity…” confuses aliases with tokens; aliases are persistent identity mappings, not short-lived credentials. The option “It defines a renaming rule applied during group membership…” is fabricated—Vault has no renaming-rule concept for group lookups. Ref: developer.hashicorp.com/vault/docs/concepts/identity; /vault/api-docs/secret/identity/entity-alias
Sourcedeveloper.hashicorp.com
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