Internetseiten mit Websockets machen im Firefox Probleme. Beispielsweise "Whatsapp Web":
Code: Alles auswählen
Host: web.whatsapp.com
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:72.0) Gecko/20100101 Firefox/72.0
Accept: */*
Accept-Language: de,en-US;q=0.7,en;q=0.3
Accept-Encoding: gzip, deflate, br
Sec-WebSocket-Version: 13
Origin: https://web.whatsapp.com
Sec-WebSocket-Extensions: permessage-deflate
Sec-WebSocket-Key: MT4/FkAO1f47s5ZSJv7bwQ==
DNT: 1
Connection: keep-alive, Upgrade
Pragma: no-cache
Cache-Control: no-cache
Upgrade: websocket