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  1. #1
    Untangler jomerx's Avatar
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    Default Any tip on How to block this application..

    Good day Masters!

    I'm seeking any suggestion on how to block/control this application http://www.internetdownloadmanager.com/? I'm concern of it's bandwidth consumption to my network. I have seen some of my users using it and they are so free on downloading stuffs using this application...
    Thanks.

  2. #2
    Untangle Ninja sky-knight's Avatar
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    Default

    Disable HTTP resume in the virus blocker and you'll kill this type of thing outright. Heck, that feature is on by default.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  3. #3
    Untangler jomerx's Avatar
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    Default

    Thank you so much sky-night

  4. #4
    Untangler jomerx's Avatar
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    Default

    If I Untick "Disable HTTP Resume" would there be any effects other than killing this application?

  5. #5
    Untangle Ninja sky-knight's Avatar
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    Actually, having that feature enabled should be stopping it outright.

    The average download accelerator works by using the HTTP resume feature to request different chunks of a file from multiple servers.

    So it shouldn't be working... unless this thing has a new method of getting http servers to get files at random offsets.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  6. #6
    Untangler jomerx's Avatar
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    Default

    I've tried your tip sky-night but "Disabled HTTP Resume on Virus Blocker" still allows this application to download files from the internet... It will just prompt that the servers doesn't support "resume capability" and you'll have the choice to download again from the start.... It didn't stop the application from downloading stuffs..





    Last edited by jomerx; 09-10-2009 at 11:54 PM. Reason: Added illustrations

  7. #7
    Untangler jomerx's Avatar
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    Default

    I hope there's a way to stop this application from eating bandwidth...
    The transfer rate meter of this application when downloading really concerns me...

  8. #8
    Untangle Ninja sky-knight's Avatar
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    Quote Originally Posted by jomerx View Post
    I hope there's a way to stop this application from eating bandwidth...
    The transfer rate meter of this application when downloading really concerns me...
    I don't think you understand what you're dealing with.

    If HTTP Resume is disabled by untangle, then the application has no choice but to download the file using traditional HTTP methods. At this point, the "accelerator" is nothing more than the web browser downloading files. It can't "accelerate" anything because the resume is broken. It can't "eat bandwidth" because it's only downloading 1 file at a time.
    Rob Sandling, BS:SWE, MCP
    NexgenAppliances.com
    Phone: 866-794-8879 x201
    Email: support@nexgenappliances.com

  9. #9
    Untangler jomerx's Avatar
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    Sorry for that sky-night.
    I'm expecting that the application would stop downloading files.

    I was hoping that the "transfer rate" of the application would be pinned down to zero.
    Last edited by jomerx; 09-11-2009 at 12:22 AM.

  10. #10
    Master Untangler
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    Default

    Quote Originally Posted by jomerx View Post
    Sorry for that sky-night.
    I'm expecting that the application would stop downloading files.

    I was hoping that the "transfer rate" of the application would be pinned down to zero.
    To do that you need to block http transfers. In other words, all internet surfing from every browser.

    A different approach for this solution is locking down the desktop. If using windows 7 soon you can check out AppLocker if you're planning to upgrade to windows 2008 R2. You can also blacklist using group policy in win 2003.

    Another way is to use a proxy that supports NTLM authentication. Like SQUID + kerberos + samba + winbind. That way i'm pretty sure only internet explorer can access the internet using http. That means you need to block port 80 for every machine other than your proxy.

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