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  1. #1
    Junior Member
    Join Date
    Feb 2005
    Location
    Gateshead, UK
    Posts
    1

    Question Continuous SYN_SEND's on netstat

    Hi, im on broadband and getting slow speeds and frequently no web pages.
    I phoned my supplier who asked me to run netstat, and found a continuous
    link of SYN_SEND's appearing to microsoft.
    Can anybody help me to fix this problem.
    Cheers.
    Last edited by wardleyboy69; 08-02-2005 at 09:39 AM.

  2. #2
    insomniac maximus
    Join Date
    Dec 2004
    Location
    Putting chlorine in the genepool
    Posts
    118

    Default Re: Continuous SYN_SEND's on netstat

    can you please provide a dump of the netstat results?
    Unleash the opensauce:The OpenCD
    For the self respecting techie:UBCD

  3. #3
    Senior Member
    Join Date
    Jan 2005
    Posts
    1,366

    Default Re: Continuous SYN_SEND's on netstat

    Quote Originally Posted by wardleyboy69
    Hi, im on broadband and getting slow speeds and frequently no web pages.
    I phoned my supplier who asked me to run netstat, and found a continuous
    link of SYN_SEND's appearing to microsoft.
    Can anybody help me to fix this problem.
    Cheers.
    You have an application in your system trying to set up a connection with a MS server. Since it is continuous it sounds like the MS server is not responding. Find out the culprit and kill it.

    Note that the MS server should be responding and the SYN_SEND packets would stop. Some malware contnuously send SYN packets with a different return address, so that the server responds to someone else. This is typical of distributed denial of service attacks against remote servers.

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