authelia

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Cloudflare Zero Trust

Integrating Cloudflare Zero Trust with Authelia via OpenID Connect.

2022-06-15T17:51:47+10:00

false

integration

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openid-connect

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true

Tested Versions

Authelia
- v4.35.6

Before You Begin

You are required to utilize a unique client id and a unique and random client secret for all OpenID Connect relying parties. You should not use the client secret in this example, you should randomly generate one yourself. You may also choose to utilize a different client id, it's completely up to you.

This example makes the following assumptions:

Cloudflare Team Name: example-team
Authelia Root URL: https://auth.example.com
Client ID: cloudflare
Client Secret: cloudflare_client_secret

Configuration

Application

To configure Cloudflare Zero Trust to utilize Authelia as an OpenID Connect Provider:

Visit the Cloudflare Zero Trust Dashboard
Visit Settings
Visit Authentication
Under Login nethods select Add new
Select OpenID Connect
Enter the following values:
1. Name: Authelia
2. App ID: cloudflare
3. Client Secret: cloudflare_client_secret
4. Auth URL: https://auth.example.com/api/oidc/authorization
5. Token URL: https://auth.example.com/api/oidc/token
6. Certificate URL: https://auth.example.com/jwks.json
7. Add the following OIDC Claims: preferred_username, mail, groups
Click Save

Authelia

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

- id: cloudflare
  secret: cloudflare_client_secret
  public: false
  authorization_policy: two_factor
  scopes:
    - openid
    - profile
    - groups
    - email
  redirect_uris:
    - https://example-team.cloudflareaccess.com/cdn-cgi/access/callback
  userinfo_signing_algorithm: none

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