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Not able to block Ultrasurf , flash vpn , cyber ghost

Dear all,

I have sophos SG 135 and using the same on transparent mode.

I am also using application control to block facebook and whatsapp and application.

Somehow users are accessing it through ultrasurf or flash vpn , considering this i have blocked proxy / vpn category from application control.

Still users are able to access this VPN.

any idea to block this.

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0 MandoesaM over 9 years ago

Hello Martin,

If i blocked port 80,443 in firewall rules can i browse internet using transparent mode or should i configure proxy settings in browsers.
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0 MandoesaM over 9 years ago

Hello Martin,

If i blocked port 80,443 in firewall rules can i browse internet using transparent mode or should i configure proxy settings in browsers.
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0 gc1111 over 9 years ago in reply to MandoesaM

Already blocked ports 80, 81, 8080, 443 but still ultrasurf can connect. Any more work-arounds?
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