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  1. #1
    Newbie
    Join Date
    Mar 2009
    Posts
    1

    Default How to Block Ultrasurf from Protocol Control

    Hi~

    Untangle Protocol Control no block Ultrasurf.


    Thanks

  2. #2
    Master Untangler
    Join Date
    Apr 2008
    Posts
    346

    Default

    You don't.
    You set your UT network to use OPENDNS and enjoy this being blocked
    and much more, for no more money out of pocket!

  3. #3
    Newbie
    Join Date
    Jun 2009
    Location
    India
    Posts
    13

    Default

    You can use Anti-UltraSurf 1.0.1.32 -Beta , just google for this and install it on the PC on which you don't want users to run Ultrasurf.

    This tool disables UltraSurf.
    After you install this tool, ultrasurf won't be able to loadpages.

    Let me know if this helped.

  4. #4
    Master Untangler
    Join Date
    Oct 2008
    Posts
    118

    Default

    Block all 443 in firewall and add rules to pass what you need...

  5. #5
    Untanglit
    Join Date
    Dec 2009
    Location
    Philippines
    Posts
    20

    Default

    It is better to have a protocol signature to block ultrasurf.

    But I guess there is no protocol signature for ultrasurf at this time I think.
    Last edited by radix; 12-09-2009 at 05:20 PM.

  6. #6
    Master Untangler
    Join Date
    Jul 2009
    Posts
    219

    Default

    signature is good idea actually...

  7. #7
    Newbie
    Join Date
    Sep 2008
    Posts
    4

    Default

    Quote Originally Posted by bratsadtar View Post
    You don't.
    You set your UT network to use OPENDNS and enjoy this being blocked
    and much more, for no more money out of pocket!
    hi tried it bu no luck how is it posible?

  8. #8
    Untanglit
    Join Date
    Dec 2009
    Location
    Philippines
    Posts
    20

    Default

    You can't block Ultrasurf using the DNS filtering of Opendns, it is impossible to block because it uses encrypted connections.

    Tip: I used the free astaro as my internal firewall just to block this ultrasurf and other encrypted proxies...

  9. #9
    Untangle Ninja sky-knight's Avatar
    Join Date
    Apr 2008
    Location
    Phoenix, AZ
    Posts
    26,497

    Default

    OpenDNS can and does block this. OpenDNS works by denying the DNS lookups required to resolve the IPs. However, it's far from perfect and to be honest it isn't realistic to expect to control encrypted proxies. You will get one blocked and 5 more will bypass your block.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  10. #10
    Untangle Ninja gotkimchi's Avatar
    Join Date
    Jan 2007
    Location
    Bay Area
    Posts
    2,106

    Default

    Please check out this post. You can do this with the bandwidth control.
    http://forums.untangle.com/networkin...ntangle-7.html
    to be understood, you must first understand. :)
    Attention: Support and help on the Untangle Forums is provided by volunteers and community members like yourself. If you need Untangle support please call or email support@untangle.com

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