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query regarding dcom

Discussion in 'General Security' started by mountainlion, Sep 20, 2008.

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  1. mountainlion

    mountainlion Thread Starter

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    I have read that it is a safe to disable dcom as a very small amount of applications use it and it tightens your security,is that right and is their a program i need to use to disable it.
     
  2. lunarlander

    lunarlander

    Joined:
    Sep 21, 2007
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    There was a old vulnerability back in 2003. And Microsoft patched it. If you are not comfortable, you can block these ports:

    135/UDP
    137/UDP
    138/UDP
    445/UDP

    135/TCP
    139/TCP
    445/TCP
    593/TCP

    I think blocking these ports will also cause File and Printer Sharing to fail. But if you don't share folders between machines and don't share printers, then its ok.
     
  3. blues_harp28

    blues_harp28 Trusted Advisor Spam Fighter

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  4. mountainlion

    mountainlion Thread Starter

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    thanks,will block it then.
     
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