From owner-freebsd-questions@FreeBSD.ORG Mon Mar 1 14:21:47 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 096E916A4CE for ; Mon, 1 Mar 2004 14:21:47 -0800 (PST) Received: from mta11.adelphia.net (mta11.adelphia.net [68.168.78.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 845FF43D1D for ; Mon, 1 Mar 2004 14:21:46 -0800 (PST) (envelope-from mike@pcmedx.com) Received: from duron.pcmedx.com ([68.69.206.232]) by mta11.adelphia.net (InterMail vM.5.01.06.05 201-253-122-130-105-20030824) with ESMTP id <20040301222146.LMKO27343.mta11.adelphia.net@duron.pcmedx.com>; Mon, 1 Mar 2004 17:21:46 -0500 Received: from localhost (localhost [127.0.0.1]) by duron.pcmedx.com (Postfix) with ESMTP id 8FF3DA998; Mon, 1 Mar 2004 14:21:45 -0800 (PST) Received: from duron.pcmedx.com ([127.0.0.1]) by localhost (duron.pcmedx.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 87087-01; Mon, 1 Mar 2004 14:21:44 -0800 (PST) Received: from mike (mike.pcmedx.com [192.168.240.244]) by duron.pcmedx.com (Postfix) with SMTP id 8BBD4A9AD; Mon, 1 Mar 2004 14:21:44 -0800 (PST) Message-ID: <001c01c3ffdb$93f58e10$f4f0a8c0@pcmedx.com> From: "Mike Maltese" To: References: <4043AF25.8070000@ste-land.com> Date: Mon, 1 Mar 2004 14:21:44 -0800 MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2800.1158 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2800.1165 X-Virus-Scanned: by amavisd (http://www.amavis.org) and f-prot (http://www.f-prot.com) at pcmedx.com cc: "Shaun T. Erickson" Subject: Re: ipfilter frags question X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Mar 2004 22:21:47 -0000 > On my Linux box, I can force all fragments to be re-assembled into whole > packets before being presented to the firewall, and that's what I've > done. However, as near as I can tell, FreeBSD (5.2.1-RELEASE) doesn't > have that feature. > > So what do I do with fragments? They are a valid part of a tcp > conversation, so dropping them isn't good, but neither is just accepting > them willy-nilly, either. http://www.obfuscation.org/ipf/ipf-howto.html#TOC_23