From owner-freebsd-security Tue Jan 21 10: 7:59 2003 Delivered-To: freebsd-security@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2CF0F37B401 for ; Tue, 21 Jan 2003 10:07:57 -0800 (PST) Received: from laptop.tenebras.com (laptop.tenebras.com [66.92.188.18]) by mx1.FreeBSD.org (Postfix) with SMTP id 9C0AF43E4A for ; Tue, 21 Jan 2003 10:07:56 -0800 (PST) (envelope-from kudzu@tenebras.com) Received: (qmail 72916 invoked from network); 21 Jan 2003 18:07:56 -0000 Received: from sapphire.tenebras.com (HELO tenebras.com) (192.168.188.241) by 0 with SMTP; 21 Jan 2003 18:07:56 -0000 Message-ID: <3E2D8C7A.1040300@tenebras.com> Date: Tue, 21 Jan 2003 10:07:54 -0800 From: Michael Sierchio User-Agent: Mozilla/5.0 (X11; U; Linux i386; en-US; rv:1.2b) Gecko/20021016 X-Accept-Language: en-us, en, fr-fr, ru MIME-Version: 1.0 To: Andy Farkas Cc: Mike Tancsa , Tillman , freebsd-security@FreeBSD.ORG Subject: Re: Limiting icmp unreach response from 231 to 200 packets per second References: <20030122022350.A54298-100000@hewey.af.speednet.com.au> In-Reply-To: <20030122022350.A54298-100000@hewey.af.speednet.com.au> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org Andy Farkas wrote: > > He is talking about icmp packets - nothing to do with named. It might very well. If 'named' dies, and net.inet.udp.blackhole=0, then the kernel will be generating ICMP error responses for UDP packets sent to port 53. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message