Solving problems with WebSockets

WebSockets are a modern protocol that allows a web application to have persistent, duplex, long-living connections to servers, similar to real TCP connections (and they are, under the hood, pretty normal TCP connections).

WebSockets use the special URL scheme ws:// (or wss:// for secure), and you will see that in your browser error console if you try to run a WebSocket-opening web application from an Nginx-powered server.

The philosophy behind WebSockets directly conflicts with the buffered-reverse proxy idea that is the foundation of Nginx as a web accelerator. See the previous chapter for the comprehensive introduction into what makes Nginx fast. Fortunately, modern Nginx is so much more than just a simple reverse ...

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