From owner-freebsd-hackers@FreeBSD.ORG  Tue Jan 17 05:01:49 2006
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
X-Original-To: freebsd-hackers@freebsd.org
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id C6D7B16A41F
	for <freebsd-hackers@freebsd.org>; Tue, 17 Jan 2006 05:01:49 +0000 (GMT)
	(envelope-from silby@silby.com)
Received: from wbm7.pair.net (wbm7.pair.net [209.68.4.129])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 3D10B43D72
	for <freebsd-hackers@freebsd.org>; Tue, 17 Jan 2006 05:01:42 +0000 (GMT)
	(envelope-from silby@silby.com)
Received: by wbm7.pair.net (Postfix, from userid 65534)
	id 6392A10560; Tue, 17 Jan 2006 00:01:38 -0500 (EST)
Received: from 63.147.253.154 ([63.147.253.154])
	(SquirrelMail authenticated user silby@silby.com)
	by webmail7.pair.com with HTTP; Tue, 17 Jan 2006 00:01:38 -0500 (EST)
Message-ID: <44314.63.147.253.154.1137474098.squirrel@webmail7.pair.com>
In-Reply-To: <43CC65BC.9040005@nano.net>
References: <43CC59E7.6080505@nano.net>
	<015901c61b15$898648a0$1200a8c0@gsicomp.on.ca>
	<43CC65BC.9040005@nano.net>
Date: Tue, 17 Jan 2006 00:01:38 -0500 (EST)
From: "Mike Silbersack" <silby@silby.com>
To: "Steve Suhre" <cheesiest@nano.net>
User-Agent: SquirrelMail/1.4.5
MIME-Version: 1.0
Content-Type: text/plain;charset=iso-8859-1
Content-Transfer-Encoding: 8bit
X-Priority: 3 (Normal)
Importance: Normal
Cc: freebsd-hackers@freebsd.org
Subject: Re: Named requests filling up T1
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>, 
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 17 Jan 2006 05:01:49 -0000

> Thanks Matt,
>
> The answer to both is no. The domain doesn't resolve either
> (v.tn.co.za). It looks like the source IP changes too...sigh.... I tried
> a whois on the source IP and it was not found, so it may be spoofed? Or
> someone has a very messed up server...

There was a thread on bugtraq about this, you're either being attacked or
are being used to attack someone else.

Reconfigure BIND so that it ignores recursive queries originating from
outside your network - at least that will save your outbound bandwidth.

Mike "Silby" Silbersack