traefik-cloudflare-plugin

Traefik plugin to handle traffic coming from Cloudflare.

Features

• Only allow traffic originating from Cloudflare
• Rewrite requests X-Forwarded-For header with the user IP

Configuration

Plugin options

Key	Type	Default	Description
trustedCIDRs	[]string	[]	Requests coming from a source not matching any of these CIDRs will be terminated with a 403. If empty, it is populated with Cloudflare's CIDRs.
refreshInterval	time.Duration	24h	When trustedCIDRs is empty, Cloudflare's CIDRs will be refreshed after this duration. Using a value of 0 seconds disables the refresh.
overwriteForwardedFor	bool	true	When true, the request's X-Forwarded-For header is replaced by the content of the CF-Connecting-IP header.

Traefik static configuration

experimental:
  plugins:
    cloudflare:
      moduleName: github.com/Desuuuu/traefik-cloudflare-plugin
      version: v1.0.0

Dynamic configuration

http:
  middlewares:
    cloudflare:
      plugin:
        cloudflare:
          trustedCIDRs: []
          overwriteForwardedFor: true

  routers:
    foo-router:
      rule: Path(`/foo`)
      service: foo-service
      entryPoints:
        - web
      middlewares:
        - cloudflare