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Firefox sends a PING on websocket when ethernet configuration changes

jacopoipoi
Making moves

I’ve observed that Firefox often sends a ping message over an open WebSocket connection when I disconnect a network cable from my computer. I’m curious if this is a documented behavior or if it’s specified in the WebSockets RFC.

I described the steps to reproduce this here: https://stackoverflow.com/questions/78448800/why-does-firefox-send-a-websocket-ping-message-when-the...

Thanks!

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