From owner-freebsd-net@FreeBSD.ORG Sun Jun 1 11:44:42 2003 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2551A37B401 for ; Sun, 1 Jun 2003 11:44:42 -0700 (PDT) Received: from out004.verizon.net (out004pub.verizon.net [206.46.170.142]) by mx1.FreeBSD.org (Postfix) with ESMTP id 547D443FAF for ; Sun, 1 Jun 2003 11:44:41 -0700 (PDT) (envelope-from cswiger@mac.com) Received: from mac.com ([129.44.60.214]) by out004.verizon.net (InterMail vM.5.01.05.33 201-253-122-126-133-20030313) with ESMTP id <20030601184440.BEMX246.out004.verizon.net@mac.com>; Sun, 1 Jun 2003 13:44:40 -0500 Message-ID: <3EDA498D.3000307@mac.com> Date: Sun, 01 Jun 2003 14:44:29 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Petri Helenius References: <001f01c32831$296b9210$812a40c1@PETEX31> In-Reply-To: <001f01c32831$296b9210$812a40c1@PETEX31> X-Enigmail-Version: 0.75.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH at out004.verizon.net from [129.44.60.214] at Sun, 1 Jun 2003 13:44:40 -0500 cc: freebsd-net@freebsd.org Subject: Re: ipfw and hostnames X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Jun 2003 18:44:42 -0000 Petri Helenius wrote: > How do I compile/load ipfw kld so that it has "default to accept" which seems to be > required to allow hostnames to be used in firewall configuration loaded at boot time. You are strongly advised to use IP addresses instead of hostnames in firewall rulesets, to avoid DNS spoofing attacks subverting your firewall. Ideally, your firewall should function without depending on any external network resources. -- -Chuck