From owner-freebsd-security Wed Feb 7 7: 0:49 2001 Delivered-To: freebsd-security@freebsd.org Received: from ringworld.nanolink.com (pool57-tch-1.Sofia.0rbitel.net [212.95.170.57]) by hub.freebsd.org (Postfix) with SMTP id 9EE7537B491 for ; Wed, 7 Feb 2001 07:00:27 -0800 (PST) Received: (qmail 16237 invoked by uid 1000); 7 Feb 2001 14:58:45 -0000 Date: Wed, 7 Feb 2001 16:58:45 +0200 From: Peter Pentchev To: Rossen Raykov Cc: freebsd-security@freebsd.org Subject: Re: ipfw question Message-ID: <20010207165845.P487@ringworld.oblivion.bg> Mail-Followup-To: Rossen Raykov , freebsd-security@freebsd.org References: <00a101c09116$49dca980$4c00000a@sage> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <00a101c09116$49dca980$4c00000a@sage>; from rraykov@sageian.com on Wed, Feb 07, 2001 at 09:57:27AM -0500 Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org On Wed, Feb 07, 2001 at 09:57:27AM -0500, Rossen Raykov wrote: > Hi All, > > I have the following lines in my firewall config file (fragment from ipfw > show): > > 03010 108 10919 allow udp from local.ip to any > 50000 0 0 allow udp from any 40000-50000 to local.ip 40000-50000 > 50001 21 1694 allow log logamount 1024 udp from any to any > > And I have the following records in security log: > > Feb 7 08:49:33 myhost /kernel: ipfw: 50001 Accept UDP forien.ip.1:4000 > local.ip:49160 in via dc0 > Feb 7 08:49:42 myhost last message repeated 10 times > Feb 7 08:52:10 myhost last message repeated 2 times > Feb 7 09:00:34 myhost last message repeated 7 times > Feb 7 09:02:34 myhost /kernel: ipfw: 50001 Accept UDP forien.ip.2:4000 > local.ip:49160 in via dc0 > > My question is why those packets ware not captured from rule 50000 but from > 50001? Are you sure you've listed your firewall rules right? Rule 50000 wants the incoming packet to be between 40,000 and 50,000, and a source port of 4,000 is definitely less than 40,000 :) G'luck, Peter -- This inert sentence is my body, but my soul is alive, dancing in the sparks of your brain. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message