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sheriff

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how can i block ultra surf with kerio control 7.1.2 build 2333 ?

[Updated on: Wed, 21 September 2011 16:48]

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ICT and Me

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UtraSurf is making a connection on HTTPS with servers on IP range 65.49.14.50-65.49.14.100
What I have done is make a IP address group (Configuration-Definitions) with this range. Named UltraSurf
At top side of my traffic rules the following rule.
Name: Block UltraSurf
Source: Trusted/Local interface (etc)
Destination: UltraSurf (IP address group);Internet Interfaces
Service: HTTPS, TCP/UDP port 9666 (proxy port of UltraSurf)
Action: Drop

ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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sheriff

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sheriff

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ultra surf is not connecting internet. But Voip12 and android market can not connect internet.
please help
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ICT and Me

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remove "Internet Interfaces" and place the rule as low as possible. above NAT rule

ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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sheriff

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When i was select Auto-detect proxy kerio control can not block ultra surf please help Sad

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ICT and Me

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Ofcourse not, then it must talk to Control. That's your proxy at that moment.
If it goes to Ultra Surf server direct you can block it.

ICT and Me
Carlo Turk
The Netherlands
www.ictandme.nl
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sheriff

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how can i configure kerio control for bloking ultra surf
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KursadOlmez

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Blocking Ultrasurf with Kerio Control isn't possible unless Kerio Control implements application filter to recognize applications signatures on firewall level.

For now you can install Zemana Anti-Ultrasurf (http://blog.zemana.com/2009/01/zemana-anti-ultrasurf.html) on all of your users computers. If you are using Windows Active Directory and Windows Domain on your network, you can install MSI package of the application with Group Policy. So, maybe users can't notice the application is installed Smile

Regards,

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rustyfelixx

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Good Idea Kursad thanks for this great suggestion, i did not knew about this, thanks a lot.
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