From owner-freebsd-questions@FreeBSD.ORG  Sun Dec 14 14:48:26 2008
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
Delivered-To: freebsd-questions@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 667D51065670
	for <freebsd-questions@freebsd.org>;
	Sun, 14 Dec 2008 14:48:26 +0000 (UTC)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl
	[IPv6:2001:4070:101:2::1])
	by mx1.freebsd.org (Postfix) with ESMTP id 1B92D8FC14
	for <freebsd-questions@freebsd.org>;
	Sun, 14 Dec 2008 14:48:24 +0000 (UTC)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1])
	by wojtek.tensor.gdynia.pl (8.14.3/8.14.3) with ESMTP id mBEEmIJn049521;
	Sun, 14 Dec 2008 15:48:18 +0100 (CET)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from localhost (wojtek@localhost)
	by wojtek.tensor.gdynia.pl (8.14.3/8.14.3/Submit) with ESMTP id
	mBEEmHO8049518; Sun, 14 Dec 2008 15:48:18 +0100 (CET)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Date: Sun, 14 Dec 2008 15:48:17 +0100 (CET)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: raggen@raggens.net
In-Reply-To: <4945035C.6040401@telia.com>
Message-ID: <20081214154608.B49468@wojtek.tensor.gdynia.pl>
References: <4945035C.6040401@telia.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
Cc: User Questions <freebsd-questions@freebsd.org>
Subject: Re: Canonical way for DHCP->IP->/etc/hosts
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sun, 14 Dec 2008 14:48:26 -0000

> I am sorry if this question has been asked over and over again - however the 
> htdig search interface for the lists is somewhat shaky and gives referrer 
> errors for me.
>
> Pre-conditions.
> Dualhomed firewalled FreeBSD7.1. One nic is LAN and the other dynamical IP 
> from ISP.
>
> Question: What is the canonical way for catching the IP address from a DHCP 
> assigned nic (from ISP that doesn't set hostname) and put the IP into 
> /etc/hosts with a hostname?

man dhclient.conf

you can specify your script that will be started on changes, but i won't 
tell you ready-to-use example because i never needed it.

write your script that will fix /etc/hosts on IP change.