From owner-freebsd-hackers@FreeBSD.ORG  Mon Feb 14 06:16:28 2005
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Delivered-To: freebsd-hackers@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 3D85416A4D3; Mon, 14 Feb 2005 06:16:28 +0000 (GMT)
Received: from mail14.syd.optusnet.com.au (mail14.syd.optusnet.com.au
	[211.29.132.195])	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 5771943D39; Mon, 14 Feb 2005 06:16:27 +0000 (GMT)
	(envelope-from PeterJeremy@optushome.com.au)
Received: from cirb503493.alcatel.com.au
	(c211-30-75-229.belrs2.nsw.optusnet.com.au [211.30.75.229])
	j1E6GObe012409
	(version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO);
	Mon, 14 Feb 2005 17:16:25 +1100
Received: from cirb503493.alcatel.com.au (localhost.alcatel.com.au
	[127.0.0.1])j1E6GN7l070852;	Mon, 14 Feb 2005 17:16:24 +1100 (EST)
	(envelope-from pjeremy@cirb503493.alcatel.com.au)
Received: (from pjeremy@localhost)j1E6GN3S070851;
	Mon, 14 Feb 2005 17:16:23 +1100 (EST)	(envelope-from pjeremy)
Date: Mon, 14 Feb 2005 17:16:23 +1100
From: Peter Jeremy <PeterJeremy@optushome.com.au>
To: Sergey Matveychuk <sem@freebsd.org>
Message-ID: <20050214061622.GA70826@cirb503493.alcatel.com.au>
References: <420F8564.5060200@FreeBSD.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <420F8564.5060200@FreeBSD.org>
User-Agent: Mutt/1.4.2i
cc: hackers@freebsd.org
cc: jesper@hackunite.net
cc: freebsd-gnats-submit@freebsd.org
Subject: Re: bin/76089: The "-n" option in /usr/bin/w is broken
X-BeenThere: freebsd-hackers@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Technical Discussions relating to FreeBSD
	<freebsd-hackers.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-hackers>
List-Post: <mailto:freebsd-hackers@freebsd.org>
List-Help: <mailto:freebsd-hackers-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-hackers>,
	<mailto:freebsd-hackers-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 14 Feb 2005 06:16:28 -0000

On Sun, 2005-Feb-13 19:50:44 +0300, Sergey Matveychuk wrote:
>IMHO to be more robust, we should make utmp to hold an IP address 
>instead of a hostname and change all applications that use it. As bonus 
>it will fix a delay on login when resolving does not work. And last(1) 
>will show more useful IP address instead of changable hostname.

Depending on the environment, the IP address may be more changeable
than the hostname.  Definitely, in a DHCP or dialup environment, you
can't rely on the IP address at any time other than during the
session.  There is little (if any) benefit in logging the IP address
instead of the hostname.

-- 
Peter Jeremy