Im working on a chess app and attempting to set up a WebSocket server on a “Made Public” port using the " [port] - $WEB_HOST "mapping. Crucially when the port is public and open, my server backlogs show that the “Upgrade: websocket” and “Conection: Upgrade” headers are being stripped by the proxy before reaching the backend, causing the websocket handshake to fail with a “404”. Does anyone know how to make sure these headers are correctly passed through the backend service in the Firebase Studio environment? I filed a support ticket and got a response a week later telling me to make the port public, which the images i provided clearly show that I did. Ive attempted to provide those images here which also include teminal and console logs, but the uploads continuously fail.
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That is interesting. Can you please file a bug at Get help with Firebase Studio
We will take a look 
Thanks,
Kirupa
Ok. I will do it again
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