h5bp/server-configs-nginx — pull request #18 by Paulloz (2013-11-18 18:41:40+00:00)
Title: simple proxying for websockets

I recently searched why all my websockets were getting `502` when my application was behind **nginx**.
This is how to enable proxying of websockets when hte client is asking a `protocol upgrade`; might be useful for some people.