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Thread: DoS by google

  1. #1
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    DoS by google

    so i wake up this morning, and decideto check my router log, it seems that a google based ip has sent a DoS attack at me. does this seem odd to anyone else?

  2. #2
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    Re: DoS by google

    Quote Originally Posted by jarrah-95 View Post
    so i wake up this morning, and decideto check my router log, it seems that a google based ip has sent a DoS attack at me. does this seem odd to anyone else?

    Why do you presume a DoS attack ? was it ACK scans ?

    DoS attacks can not be prevented completely from the modem or router. Syn Cookies can allow some protection against certain types of DoS attacks, but the effectiveness is limited and requires the client and server to be preconfigured. By the time a standard DoS attack hits the modem or router, the pipe is already full.

    If you don't have any port forwarding configured on the router, then you have nothing to worry about from the network side. You are simply not worth the effort it would take to bypass NAT's firewall effect. Your biggest threat is from websites and email.

    That scan was likely a mass scan of your entire subnet looking for Apache web servers

    as for odd then only thing that is odd about skynet...oops i mean google is there sudden rise to power...LOL
    Last edited by haqking; September 12th, 2011 at 11:03 AM.
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  3. #3
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    Re: DoS by google

    most likely a spider

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    Re: DoS by google

    i think your right, on the ack scan, as that is what it was, however even if it was a DoS the router is what stoped it, as most ports are forwarded to no where. but what do you mean about emails and websites?

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    Re: DoS by google

    Quote Originally Posted by jarrah-95 View Post
    i think your right, on the ack scan, as that is what it was, however even if it was a DoS the router is what stoped it, as most ports are forwarded to no where. but what do you mean about emails and websites?

    http requests, get etc and email spam which can help spread the Do or prevent you from using your email.

    http://www.us-cert.gov/cas/tips/ST04-015.html
    Last edited by haqking; September 12th, 2011 at 11:05 AM.
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  6. #6
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    Re: DoS by google

    Quote Originally Posted by jarrah-95 View Post
    so i wake up this morning, and decideto check my router log, it seems that a google based ip has sent a DoS attack at me. does this seem odd to anyone else?
    It's probably a false positive and not really a DoS. In any case, your router stopped it. If you connect to some popular torrents you might get a pattern of traffic that looks like a DDoS but isn't; even after disconnecting from the torrent in some instances.
    I try to treat the cause, not the symptom. I avoid the terminal in instructions, unless it's easier or necessary. My instructions will work within the Ubuntu system, instead of breaking or subverting it. Those are the three guarantees to the helpee.

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