02-14-2018 10:36 PM
Hello all
is there any way in palo alto netwroks firewall to block the ultrasurf which is plugin inside the chrome browser?
02-15-2018 03:10 AM
Hi @Radmin_85,
It's been a while so I might be some versions behind but if I'm not mistaken SSL decryption is needed to block ultrasurf.
Then you can block the Ultrasurf app by policy.
Best practice to also block unknown-tcp.
Cheers !
-Kiwi.
02-15-2018 10:15 AM
we have activated ssl decryption.And we see the ultrasurf extension as google-base in the logs
02-23-2018 09:38 AM
Hello,
So its not seeing the application correctly? Perhaps that is a question for TAC support? Have you added a rule that blocks the ultrasurf application prior to all your other policies to see if it will block it? Or maybe you can use the URL filtering to block Category: proxy-avoidance-and-anonymizers?
Just a few thoughts.
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