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firefox network monitor show no headers/no request body/no response body/no status

Making moves

sometime firefox will unable to catch any network request, the network monitor shows request list but the body is empty, it will be fix after restart firefox, but after few hours, it will show up again.

Does any one know how to fix this?


Making moves

Happened to me, the following is the header I got from HTTP Header Live extension:

POST: HTTP/1.1 201

Host: ________ User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:121.0) Gecko/20100101 Firefox/121.0 Accept: */* Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Content-Type: application/json;charset=UTF-8 token: ____________________ Content-Length: 160 Origin: http://_______ Connection: keep-alive Cookie: _token=_______

edge has no problem to catch and show this request information.