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AW: [opennic-discuss] DoS amp attack today


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  • From: "Uwe (ML) Kiewel" <ml AT kiewel-online.ch>
  • To: "discuss AT lists.opennicproject.org" <discuss AT lists.opennicproject.org>
  • Subject: AW: [opennic-discuss] DoS amp attack today
  • Date: Tue, 16 Apr 2013 06:09:28 +0000
  • Accept-language: de-CH, en-US

same here, but no affect to cpu. query statistics for the last 24h look here
http://www.kiewel-online.de/index.php/public-dns

CU
Uwe

Von: discuss-request AT lists.opennicproject.org [discuss-request AT lists.opennicproject.org]" im Auftrag von "Guillaume Parent [gparent AT gparent.org]
Gesendet: Dienstag, 16. April 2013 03:21
An: discuss AT lists.opennicproject.org
Betreff: [opennic-discuss] DoS amp attack today

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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