How to view WS/WSS Websocket request content using Firebug or other?

Question

Is there a way to view the Websocket traffic?

Only Websocket headers are visible on the initial handshake.

Everything disappears after the response:

Answer 1

In firefox you can open developer toolbar (Shift+F2) and see websockets in Network tab. You can use filtering at the bottom of the tab (choose Other for websockets).