From owner-freebsd-questions@FreeBSD.ORG  Thu May 15 02:00:18 2003
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 611ED37B401
	for <questions@freebsd.org>; Thu, 15 May 2003 02:00:18 -0700 (PDT)
Received: from smtp.hispeed.ch (isp247n.hispeed.ch [62.2.95.247])
	by mx1.FreeBSD.org (Postfix) with ESMTP id C0A7E43F93
	for <questions@freebsd.org>; Thu, 15 May 2003 02:00:14 -0700 (PDT)
	(envelope-from locus@hispeed.ch)
Received: from rock.stable.ch (dclient217-162-34-199.hispeed.ch
	[217.162.34.199])h4F90C24018761
	(version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=NO);
	Thu, 15 May 2003 11:00:13 +0200
Received: from locus by rock.stable.ch with local (Exim 3.33 #1)
	id 19GEao-0004KM-00; Thu, 15 May 2003 11:00:02 +0200
Date: Thu, 15 May 2003 11:00:02 +0200
From: Thomas Spreng <spreng@socket.ch>
To: questions@freebsd.org
Message-ID: <20030515090002.GA16590@rock.stable.ch>
Mail-Followup-To: questions@freebsd.org,
	Matthew Seaman <m.seaman@infracaninophile.co.uk>
References: <Law9-F52ka4ZxNIeA8U000216c2@hotmail.com>
	<20030515071046.GA13951@rock.stable.ch>
	<20030515084310.GA76063@happy-idiot-talk.infracaninophile.co.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030515084310.GA76063@happy-idiot-talk.infracaninophile.co.uk>
User-Agent: Mutt/1.4i
Sender: locus <locus@hispeed.ch>
Subject: Re: jail
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
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: Thu, 15 May 2003 09:00:18 -0000

On Thu, May 15, 2003 at 09:43:10AM +0100, Matthew Seaman wrote:
> On Thu, May 15, 2003 at 09:10:46AM +0200, Thomas Spreng wrote:
> > hi,
> > 
> > > 2) I am having trouble connecting jail to the internet.
> > > here is an output of my ifconfig
> > > harry@requiem:/home/harry# ifconfig rl0
> > > rl0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
> > >        inet 209.94.197.222 netmask 0xffffffe0 broadcast 209.94.197.223
> > >        inet6 fe80::230:f1ff:fe44:9768%rl0 prefixlen 64 scopeid 0x1
> > >        inet 192.168.1.223 netmask 0xffffff00 broadcast 192.168.1.255
> > >        ether 00:30:f1:44:97:68
> > >        media: Ethernet autoselect (10baseT/UTP)
> > >        status: active
> > 
> > afaik, inet aliases need a netmask of 0xffffffff.
> 
> Usually you'ld be quite right in saying that, but unfortunately in
> this case I'm afraid it is not correct.  The rule is that the second
> and subsequent addresses from any particular netblock get a netmask of
> 0xffffffff.  In this case, where the alias address comes from a
> different netblock to the original address (so that the alias is the
> first address from that netblock) it gets the natural netmask as the
> original poster showed.

of course! you're right. sorry for the confusion :)

cheers