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Trustwave Knowledge Base

Home » Knowledgebase » Legacy Products » Secure Web Gateway » Security Policies » INFO: How to Block Hopster Connecting through Vital Security

INFO: How to Block Hopster Connecting through Vital Security

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  • Description
    Hopster works by tunneling everything though corporate proxies as HTTP requests back to their own servers, and then proxying anything that the end-user is using.
    The program acts as a socks proxy on the local PC and can be used by any program that supports the use of a socks proxy.

  • Symptoms
    End-users can browse to all sites and use Hopster messenger clients without being blocked.

  • Cause
    The Hopster client hides the clients' traffic by tunneling all traffic using the HTTP protocol to a central Hopster proxy server.
    It uses the corporate proxy server to connect to this Hopster proxy server but bypasses the corporate proxy policy.

  • Solution
    Create an URL list containing the Hopster proxy server(s) on the internet.
    Currently there is only one with IP: 62.116.83.62

    Create a policy rule that blocks tunneled http traffic to the URL list defined above.





    A similar solution might be applicable for the alternative clients listed above.

  • Software Version
    8.3.x
    8.4.x
    8.5.0

    • This article was previously published as:
    Finjan KB 1439

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