From owner-freebsd-questions@FreeBSD.ORG Thu Feb 12 10:04:40 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 0A19816A4CE for ; Thu, 12 Feb 2004 10:04:40 -0800 (PST) Received: from rwcrmhc13.comcast.net (rwcrmhc13.comcast.net [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id EAEE743D2F for ; Thu, 12 Feb 2004 10:04:39 -0800 (PST) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from be-well.no-ip.com ([66.30.196.44]) by comcast.net (rwcrmhc13) with ESMTP id <2004021218043901500cdre7e>; Thu, 12 Feb 2004 18:04:39 +0000 Received: by be-well.no-ip.com (Postfix, from userid 1147) id 010D011; Thu, 12 Feb 2004 13:04:38 -0500 (EST) Sender: lowell@be-well.ilk.org To: "Evan Dower" References: From: Lowell Gilbert Date: 12 Feb 2004 13:04:38 -0500 In-Reply-To: Message-ID: <44ekt0cgy1.fsf@be-well.ilk.org> Lines: 22 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-questions@freebsd.org Subject: Re: hostname and dhcp 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: Thu, 12 Feb 2004 18:04:40 -0000 "Evan Dower" writes: > I've actually been running FreeBSD for quite a while now, but I've > never known exactly how to handle this. In rc.conf, one must specify a > hostname. If you're using DHCP to set up your network though, your > FQDN (fully qualified domain name) can change without notice. It seems > like a Good Idea to have your hostname be your FQDN, since some things > will do a reverse lookup on your IP to verify that it matches the > hostname you supplied. In particular I'm thinking of SMTP servers > here. (send-pr doesn't work for me because my mail gets rejected.) So, > when you're autoconfiguring your network interfaces, what should you > put in rc.conf's hostname variable? Is there something else I can do > that would allow me to have something nicer looking, but still send my > FQDN when asked? If you don't set your hostname in rc.conf, dhclient should change it for you when it finds out what it is. -- Lowell Gilbert, embedded/networking software engineer, Boston area: resume/CV at http://be-well.ilk.org:8088/~lowell/resume/ username/password "public"