WebSocket connection failed with Socket.IO

[mebeingken]

If you are using Apache or other proxy, it might be getting blocked there.

Node / Apache / Sockets custom hosting

Here’s a working setup for a Node server using a proxy with Apache that supports socket.io calls on Centos 8 custom hosting. As long as you are using a recent installation, all the apache modules needed will be loaded automatically. Here are the directives I added to an existing virtual host in Apache (keep anything you already have setup). Replace all “3000” with the port number of your node server. ProxyRequests On ProxyPass / http://localhost:3000/ ProxyPassReverse / http://localhost:3000…