[bobmcnamara]

I fixed a few bugs in a WebSocket client and was blown away by the things they do to trick old proxies into not screwing it all up.

[fenesiistvan]

I would be interested in those tricks

[bobmcnamara]

A big one is 'masking' all client requests that a proxy can't effectively cache the response since the request always changes.

The RFC explains it: https://datatracker.ietf.org/doc/html/rfc6455#section-5.3