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How to totally blocked psiphon/ultrasurf

Jesen Sodela

Hi Guys,

Does anyone know how to totally blocked Psiphon? I already raised this issue to Sophos XG support, He sets ips maxpkts, QUIC, port blocking, etc. but still it bypasses the blocking. I have this issue for almost a year but until now it seems there is no solution even upgrading to the latest firmware. On the other UTM/NGFW brand/devices they can blocked Psiphon. I hope this issue soon be resolved.

Jesen

 



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    Hi Guys,

    I was able to blocked Psiphon and other proxy tunneling apps by following the instruction on the KB you have sent me. My only concern is that I need to install the SSL CA Certificate on each Device/Browser so the policy would take effect or else I cannot browse anything. (once I enable decryption and HTTPS scanning) 

    My question is that, did anyone of you tried to block Psiphon using the IPS pattern? TIA.

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  • 0

    Hi Guys,

    I was able to blocked Psiphon and other proxy tunneling apps by following the instruction on the KB you have sent me. My only concern is that I need to install the SSL CA Certificate on each Device/Browser so the policy would take effect or else I cannot browse anything. (once I enable decryption and HTTPS scanning) 

    My question is that, did anyone of you tried to block Psiphon using the IPS pattern? TIA.

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