[148545] in North American Network Operators' Group
Re: DNS Attacks
daemon@ATHENA.MIT.EDU (Dobbins, Roland)
Wed Jan 18 03:06:40 2012
From: "Dobbins, Roland" <rdobbins@arbor.net>
To: NANOG Group <nanog@nanog.org>
Date: Wed, 18 Jan 2012 08:05:36 +0000
In-Reply-To: <2996806E-AFD9-442A-948B-82118461845E@ukbroadband.com>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Jan 18, 2012, at 2:45 AM, Leigh Porter wrote:
> The firewall is significant because the attacks killed the firewall as it=
is rather under specified (not my idea..).
DNS servers (nor any other kind of server, for that matter) should never be=
placed behind stateful firewalls - the largest firewall one can build or b=
uy will choke under even moderate DDoS attacks due to state-table exhaustio=
n:
<https://files.me.com/roland.dobbins/679xji>
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Roland Dobbins <rdobbins@arbor.net> // <http://www.arbornetworks.com>
The basis of optimism is sheer terror.
-- Oscar Wilde