Port 5222 is not only for Whatsapp, it is used by many other applications such as Jabber, google chat, etc. And hence it will block much more. Not the correct way of achieving the goal. @Guerino wrote: Hello, I have blocked WhatsApp on firewall Layer 7 port 5222. I included on Security &Sdwan > configure: Firewall > Port: 5222. For now, the rule block WhatsApp is working well. This rule created on MX64. I hope helpfull Renato Guerino
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