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Solved: SYN flood attack

Discussion in 'Web & Email' started by n2ts, Feb 21, 2010.

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  1. n2ts

    n2ts Thread Starter

    Joined:
    Nov 30, 2006
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    Can someone explain what a "detected syn flood attack" means?
    lately I've noticed my broadband connection has slowed to a point where it is slower than dialup,pages take longer to load
    and downloads are 1 or 2kbs or sometimes less than 1kbs when i should normally get around 30kbs
    I downloaded a program called NNAgent and in the alerts it mentioned detected syn flood attack,is this a symptom of some malware on my computer or is the problem coming from my isp?
    I'm using a WAG54Gv.3 wireless modem on windows xp
     
  2. Mumbodog

    Mumbodog

    Joined:
    Oct 3, 2007
    Messages:
    7,891
    http://en.wikipedia.org/wiki/SYN_flood

    usually not malware, but an attacker on the internet flooding your IP address with syn packets, otherwise known as a denial of service attack, contact your isp about it.

    If you suspect malware download MBAM, manually update it after install and do a scan of your system, it is free.

    http://fileforum.betanews.com/detail/Malwarebytes-AntiMalware/1186760019/1

    Free version has to be updated occasionally, and has to be done manually by you, and will only scan when you tell it to, the paid version has automatic updates and active protection.



    .
     
  3. n2ts

    n2ts Thread Starter

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    Your right mumbodog it's not malware I've been searching the web for answers to the problem it seems my isp is blocking or throttling p2p traffic. just to see what the difference was i did a direct download of open office [URL="http://download.openoffice.org/" which is open source and free
    then tried to use flashget to download the same file,direct i was getting around 28 -30kbs and would have downloaded the file in around 2 1/2 hours, with flashget it dropped to around 5kbs to 1kbs sometimes less the program is only 105 MB and would have taken two days to download worse than dialup!!
    Still looking for a solution
     
  4. n2ts

    n2ts Thread Starter

    Joined:
    Nov 30, 2006
    Messages:
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    To anyone reading this thread and have had the same problem contact your isp, after a several phone calls to my isp with no result i pointed out to them that it appears to be a denial of service attack, my modem was reset and now things appear to be working fairly well but my download speed still fluctuates wildly.
    Oh well beggars can't be chooses!
     
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