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How To Block Psiphon/Ultrasurf

This issue start from 2 weeks ago , without change any configuration ,
and i tried to change IPS search method from 80  to 300 fail to block sophos,
tried to deny all applications except (whatsapp - Facebook - google - gmail ) again failed 
tried to block all ports except (dns - http - https - smtp - imap - pop3 - ntp) failed 
Please Help


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  • Did you search the KBAs for advice on how tp block it?

    Please post a copy of your application policy.

    It can be stopped but requires quite tight firewall settings.

    Ian

    XG115W - v19.5.1 mr-1 - Home

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