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Re: [opennic-discuss] DoS amp attack today


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  • From: Kenny Taylor <kennytaylor AT runbox.com>
  • To: discuss AT lists.opennicproject.org
  • Subject: Re: [opennic-discuss] DoS amp attack today
  • Date: Mon, 15 Apr 2013 18:35:54 -0700

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I got hit with upwards of 1,000/sec root ANY requests a couple weeks back.
The responses were only 278 bytes, so it didn't consume much bw. Late last
week I saw a similar attack doing ANY queries against isc.org.

Haven't seen the huge Russian TXT records.. That sounds harsh.

Kenny


Guillaume Parent <gparent AT gparent.org> wrote:

>Hey guys,
>
>Got hit by my first semi significant DoS today, about 28 queries per
>second
>caused 4 Mbps outbound.
>
>CPU went from 4-6% to 20%. The whole thing went on for about 4-5 hours
>until I blacklisted the 3 IPs involved.
>
>They requested a massive TXT record that was on a russian server
>somewhere.
>
>Anyone see something similar?
>
>
>--------
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