Plug ForwardedPeer

Very simple plug which reads X-Forwarded-For or Forwarded header according to rfc7239 and fill conn.remote_ip with the root client ip.

Usage

defmodule MyPlug do
  use Plug.Builder
  plug PlugForwardedPeer
end

With Phoenix

defmodule MyAppWeb.Endpoint do

  # ... lots of code

  plug PlugForwardedPeer # <- Insert before Router to have it cover all pipelines
  plug MyAppWeb.Router
end