heroku/mochiweb — pull request #6 by mikehale (2014-03-13 08:18:57+00:00)
Title: Add X-Forwarded-Port with client port for ProxyProtocol

Put the client port in X-Forwarded-Port. This allows for running a P2P NAT traversal coordination server on the platform. See https://github.com/mikehale/rendezvous-server for a simple implementation.