Vpn – How to block Psiphon

firewallsonicwallvpn

I have a Sonicwall firewall. I want to block the Psiphon mobile and PC applications.
I denied access on these ports: 51,5242,4244,5243,9785,1701,47,443,500,4500,1080
Most VPNs are closed but the Psiphon app still works; how I can block it?

Best Answer

I'm quoting what is posted on the Psiphon page:

You can only establish connections via Psiphon by using the following ports: 53, 80, 443, 554, 1935, 7070, 8000, 8001, 6971-6999.

  1. If you block these ports, you will also be blocking a lot of services in your network.

  2. You need to do Deep Packet Inspection if you want your really block Psiphon.

https://psiphon.ca/es/faq.html

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