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Zammad Integrating Zammad with the Authelia OpenID Connect 1.0 Provider. 2025-06-07T03:50:17+00:00 false
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Zammad | OpenID Connect 1.0 | Integration Step-by-step guide to configuring Zammad with OpenID Connect 1.0 for secure SSO. Enhance your login flow using Authelia’s modern identity management. false

Tested Versions

{{% oidc-common %}}

Assumptions

This example makes the following assumptions:

  • Application Root URL: https://zammad.{{< sitevar name="domain" nojs="example.com" >}}/
  • Authelia Root URL: https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}/
  • Client ID: zammad
  • Authentication Name (Zammad): authelia:
    • This option determines the redirect URI in the format of https://zammad.{{< sitevar name="domain" nojs="example.com" >}}/user/oauth2/<Authentication Name>/callback. This means if you change this value you need to update the redirect URI.

Some of the values presented in this guide can automatically be replaced with documentation variables.

{{< sitevar-preferences >}}

Configuration

Authelia

The following YAML configuration is an example Authelia client configuration for use with Zammad which will operate with the application example:

identity_providers:
  oidc:
    ## The other portions of the mandatory OpenID Connect 1.0 configuration go here.
    ## See: https://www.authelia.com/c/oidc
    clients:
      - client_id: 'zammad'
        client_name: 'Zammad'
        public: true
        authorization_policy: 'two_factor'
        require_pkce: true
        pkce_challenge_method: 'S256'
        redirect_uris:
          - 'https://zammad.{{< sitevar name="domain" nojs="example.com" >}}/auth/openid_connect/callback'
        scopes:
          - 'openid'
          - 'email'
          - 'profile'
        response_types:
          - 'code'
        grant_types:
          - 'authorization_code'
        access_token_signed_response_alg: 'none'
        userinfo_signed_response_alg: 'none'
        token_endpoint_auth_method: 'none'

Application

To configure Zammad there is one method, using the Web GUI.

Web GUI

To configure Zammad to utilize Authelia as an OpenID Connect 1.0 Provider, use the following instructions:

  1. Visit the Admin Panel
  2. Visit Settings
  3. Visit Security
  4. Visit Third Party Applications
  5. Enable Authentication via OpenID Connect
  6. Configure the following options:
    • Display Name: Authelia
    • Identifier: zammad
    • Issuer: https://{{< sitevar name="subdomain-authelia" nojs="auth" >}}.{{< sitevar name="domain" nojs="example.com" >}}
    • UID Field: sub
    • PKCE: yes
    • Scopes: openid, email, profile

See Also