Websockets reverse proxy in IIS 8

Question

I\'m attempting to connect to a websockets server (websockify) through a reverse proxy on IIS. The IIS and websockets server reside on the same physical server (Windows Serv

Answer 1

The TLDR is to:

1. url redirect the ws and wss protocols correctly
2. disable the compression in the node server socket io, passing the option perMessageDeflate. disable compression as APR 3 In IIS Proxy does not support it

const io = require("socket.io")(server, {
  transports: ["websocket", "polling"],
  perMessageDeflate: false 
});