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Block Ultrasurf.

Hello,

Does anybody knows how to block the ultrasurf application with Firewall enterprise ??

We are working with MFE 8.3 patch 2.

Thanks in advance.

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sliedl
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Re: Block Ultrasurf.

You could set up SSL decryption/re-encryption for outbound traffic.  That would block it I believe because UltraSurf uses specific certficates and won't accept the firewall's-CA-signed cert in place of certs signed by its trusted CA.

Other than that all you can do is block the range of IPs that UltraSurf uses.  Google search for 'block ultrasurf' to find out those IPs and block them for port 443.

Re: Block Ultrasurf.

Not working. Please give me a proper solution...

Re: Block Ultrasurf.

Tanzir, the AppPrism update 3.195 has a signature for UltraSurf:

          New Application Ultrasurf (0x50020000) with category: proxy-anonymizers tunnels.

Maybe it could help you.

Regards.

Re: Block Ultrasurf.

Choscar08, I also have the same problem. we are working MFE 8.3.1

I try create rule to block ultrasurf application. But not working.

Ce message a été modifié par: stonewall on 08/08/13 00:39:09 CDT

Ce message a été modifié par: stonewall on 08/08/13 00:40:06 CDT
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