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Traefik v1

An integration guide for Authelia and the Traefik v1 reverse proxy

A guide on integrating Authelia with the Traefik reverse proxy.

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

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integration

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proxies

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/docs/deployment/supported-proxies/traefik1.x.html

Traefik v1 is a reverse proxy supported by Authelia.

Important: When using these guides it's important to recognize that we cannot provide a guide for every possible method of deploying a proxy. These guides show a suggested setup only and you need to understand the proxy configuration and customize it to your needs. To-that-end we include links to the official proxy documentation throughout this documentation and in the See Also section.

Get Started

It's strongly recommended that users setting up Authelia for the first time take a look at our Get Started guide. This takes you through various steps which are essential to bootstrapping Authelia.

Trusted Proxies

Important: You should read the Forwarded Headers section and this section as part of any proxy configuration. Especially if you have never read it before.

Important: The included example is NOT meant for production use. It's used expressly as an example to showcase how you can configure multiple IP ranges. You should customize this example to fit your specific architecture and needs. You should only include the specific IP address ranges of the trusted proxies within your architecture and should not trust entire subnets unless that subnet only has trusted proxies and no other services.

Traefik by default doesn't trust any other proxies requiring explicit configuration of which proxies are trusted and removes potentially fabricated headers that are likely to lead to security issues, and it is difficult to configure this incorrectly. This is an important security feature that is common with proxies with good security practices.

In the example we have four commented lines which configure TrustedIPs which show an example on adding the following networks to the trusted proxy list in Traefik:

10.0.0.0/8
172.16.0.0/16
192.168.0.0/16
fc00::/7

Configuration

Below you will find commented examples of the following docker deployment:

Traefik 1.x
Authelia portal
Protected endpoint (Nextcloud)
Protected endpoint with Authorization header for basic authentication (Heimdall)

The below configuration looks to provide examples of running Traefik v1 with labels to protect your endpoint (Nextcloud in this case).

Please ensure that you also setup the respective ACME configuration for your Traefik setup as this is not covered in the example below.

Basic Authentication

Authelia provides the means to be able to authenticate your first factor via the Proxy-Authorization header. Given that this is not compatible with Traefik 1.x you can call the Authelia /api/verify endpoint with the auth=basic query parameter to force a switch to the Authentication header.

docker-compose.yml

version: '3'

networks:
  net:
    driver: bridge
services:
  traefik:
    image: traefik:v1.7.34-alpine
    container_name: traefik
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    networks:
      - net
    labels:
      - 'traefik.frontend.rule=Host:traefik.example.com'
      - 'traefik.port=8081'
    ports:
      - 80:80
      - 443:443
      - 8081:8081
    restart: unless-stopped
    command:
      - '--api'
      - '--api.entrypoint=api'
      - '--docker'
      - '--defaultEntryPoints=https'
      - '--logLevel=DEBUG'
      - '--traefikLog=true'
      - '--traefikLog.filepath=/var/log/traefik.log'
      - '--entryPoints=Name:http Address::80'
      - '--entryPoints=Name:https Address::443 TLS'
      ## See the Forwarded Header Trust section. Comment the above two lines, then uncomment and customize the next two lines to configure the TrustedIPs.
      # - '--entryPoints=Name:http Address::80 ForwardedHeaders.TrustedIPs:10.0.0.0/8,172.16.0.0/16,192.168.0.0/16,fc00::/7 ProxyProtocol.TrustedIPs:10.0.0.0/8,172.16.0.0/16,192.168.0.0/16,fc00::/7'
      # - '--entryPoints=Name:https Address::443 TLS ForwardedHeaders.TrustedIPs:10.0.0.0/8,172.16.0.0/16,192.168.0.0/16,fc00::/7 ProxyProtocol.TrustedIPs:10.0.0.0/8,172.16.0.0/16,192.168.0.0/16,fc00::/7'
      - '--entryPoints=Name:api Address::8081'
  authelia:
    image: authelia/authelia
    container_name: authelia
    volumes:
      - /path/to/authelia:/config
    networks:
      - net
    labels:
      - 'traefik.frontend.rule=Host:auth.example.com'
    expose:
      - 9091
    restart: unless-stopped
    environment:
      - TZ=Australia/Melbourne
  nextcloud:
    image: linuxserver/nextcloud
    container_name: nextcloud
    volumes:
      - /path/to/nextcloud/config:/config
      - /path/to/nextcloud/data:/data
    networks:
      - net
    labels:
      - 'traefik.frontend.rule=Host:nextcloud.example.com'
      - 'traefik.frontend.auth.forward.address=http://authelia:9091/api/verify?rd=https://auth.example.com/'
      - 'traefik.frontend.auth.forward.trustForwardHeader=true'
      - 'traefik.frontend.auth.forward.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email'
    expose:
      - 443
    restart: unless-stopped
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Australia/Melbourne
  heimdall:
    image: linuxserver/heimdall
    container_name: heimdall
    volumes:
      - /path/to/heimdall/config:/config
    networks:
      - net
    labels:
      - 'traefik.frontend.rule=Host:heimdall.example.com'
      - 'traefik.frontend.auth.forward.address=http://authelia:9091/api/verify?auth=basic'
      - 'traefik.frontend.auth.forward.trustForwardHeader=true'
      - 'traefik.frontend.auth.forward.authResponseHeaders=Remote-User,Remote-Groups,Remote-Name,Remote-Email'
    expose:
      - 443
    restart: unless-stopped
    environment:
      - PUID=1000
      - PGID=1000
      - TZ=Australia/Melbourne

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