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Re: [opennic-discuss] Sharp increase in DNS traffic.


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  • From: Falk Husemann <josen AT paketsequenz.de>
  • To: discuss AT lists.opennicproject.org
  • Cc: josen AT paketsequenz.de
  • Subject: Re: [opennic-discuss] Sharp increase in DNS traffic.
  • Date: Fri, 20 Jul 2012 18:43:51 +0200

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Hi Lars,

Am 20.07.2012 15:52, schrieb Lars:
> Every hint is welcome - but up to now, I just wanted to let you
> know, that you are not alone.

you're certainly not alone. There is ddos.pl from Jeff, which you can
find here:

http://wiki.opennic.glue/ddosDotPl

It doesn't require your bind to be logging. If you're after a quick
hack for rate limiting, I wrote something for dns query limiting using
my findings from the slowloris attack which also doesn't require
logging. It doesn't require any changes/work besides running the
script provided :)

His is the elegant princess, mine is (as always) the berserk ;-)

http://falkhusemann.de/blog/2012/06/dns-query-limits-mit-iptables-und-burstrate/

If you're (or someone else is) interested I'll translate it to English.

Greets,
Falk
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