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+---
+layout: docs
+page_title: Access Control List (ACL)
+description: Learn about Nomad's ACL subsystem
+---
+
+# Access Control List (ACL)
+
+The Nomad ACL system is designed to be intuitive, high-performance, and to
+provide administrative insight. At the highest level, there are four major
+components to the ACL system: tokens, policies, roles, and capabilities. The
+two components named auth methods and binding rules are specific to Nomad's
+Single Sign-On (SSO) ACL capabilities.
+
+The Nomad [access control tutorials][] provide detailed information and
+guidance on Nomad ACL system.
+
+### Policy
+
+Policies consist of a set of rules defining the capabilities or actions to be
+granted. For example, a `readonly` policy might only grant the ability to list
+and inspect running jobs, but not to submit new ones. No permissions are
+granted by default, making Nomad a default-deny system.
+
+Each policy comprises one or more rules. The rules define the capabilities of a
+Nomad ACL token for accessing the objects in a Nomad cluster, objects like
+namespaces, node, agent, operator, quota, etc. For more information on writing
+policies, see the [ACL policy reference doc][].
+
+### Role
+
+Roles group one or more ACL policies into a container which can then be used to
+generate ACL tokens for authorisation. This abstraction allows easier control
+and updating of ACL permissions, particularly in larger, more diverse clusters.
+
+### Token
+
+Requests to Nomad are authenticated using a bearer token. Each ACL token has a
+public Accessor ID which is used to name a token and a Secret ID which is used
+to make requests to Nomad. The Secret ID is provided using a request header
+(`X-Nomad-Token`) and is used to authenticate the caller. Tokens are either
+management or client types. The `management` tokens are effectively "root" in
+the system and can perform any operation. The `client` tokens are associated
+with one or more ACL policies or roles which grant specific capabilities.
+
+When ACL tokens are created, they can be optionally marked as `Global`. This
+causes them to be created in the authoritative region and replicated to all
+other regions. Otherwise, tokens are created locally in the region the request
+was made and not replicated. `Local` tokens cannot be used for cross-region
+requests since they are not replicated between regions.
+
+### Workload Identity
+
+Nomad allocations can receive workload identities in the form of a
+[JSON Web Token (JWT)][]. The
+[Workload Identity concept page][workload identity] has more information on
+this topic.
+
+### Auth Method
+
+Authentication methods dictate how Nomad should talk to SSO providers when a
+user requests to authenticate using one. Currently, Nomad only supports the
+[OpenID Connect (OIDC)][oidc] SSO workflow which allows users to log in to Nomad
+via applications such as [Auth0][auth0], [Okta][okta], and [Vault][vault].
+
+### Binding Rule
+
+Binding rules provide a mapping between a Nomad user's SSO authorisation claims
+and internal Nomad objects such as ACL Roles and ACL Policies. A binding rule
+is directly related to a single auth method, and therefore only evaluated by
+login attempts using that method. All binding rules mapped to an auth method
+are evaluated during each login attempt.
+
+A successful selector match between an SSO provider claim and a binding rule
+will result in the generated ACL token having the identified ACL role or policy
+assigned to it. If the `BindType` parameter is `management`, the ACL token
+generated will be a `management` token, rather than a client token. This
+matcher supersedes role or policy assignments, and therefore should be used
+with caution.
+
+## Replication
+
+Multi-region federated clusters run replication process to replicate ACL
+objects from the [authoritative region][]. The replication processes run on
+each federated leader and replicate ACL policies, roles, auth methods, binding
+rules, and token marked as `Global`.
+
+[access control tutorials]: /nomad/tutorials/access-control
+[ACL policy reference doc]: /nomad/docs/other-specifications/acl-policy
+[authoritative region]: /nomad/docs/configuration/server#authoritative_region
+[JSON Web Token (JWT)]: https://datatracker.ietf.org/doc/html/rfc7519
+[workload identity]: /nomad/docs/concepts/workload-identity
+[oidc]: https://openid.net/connect/
+[auth0]: https://auth0.com/
+[okta]: https://www.okta.com/
+[vault]: https://www.vaultproject.io/
diff --git a/website/data/docs-nav-data.json b/website/data/docs-nav-data.json
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--- a/website/data/docs-nav-data.json
+++ b/website/data/docs-nav-data.json
@@ -81,6 +81,10 @@
         "title": "Overview",
         "path": "concepts"
       },
+      {
+        "title": "ACL",
+        "path": "concepts/acl"
+      },
       {
         "title": "Architecture",
         "path": "concepts/architecture"