How to block Ultrasurf chrome plugin

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How to block Ultrasurf chrome plugin

L4 Transporter

Hello all

is there any way in palo alto netwroks firewall to block the ultrasurf which is plugin inside the chrome browser?

4 REPLIES 4

Community Team Member

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.

LIVEcommunity team member, CISSP
Cheers,
Kiwi
Please help out other users and “Accept as Solution” if a post helps solve your problem !

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we have activated ssl decryption.And we see the ultrasurf extension as google-base in the logs

any ideas?

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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