From owner-freebsd-questions@FreeBSD.ORG  Wed Mar  9 14:53:44 2005
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 8492716A4CE
	for <freebsd-questions@freebsd.org>;
	Wed,  9 Mar 2005 14:53:44 +0000 (GMT)
Received: from ns1.tiadon.com (SMTP.tiadon.com [69.27.132.161])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 44DC643D2F
	for <freebsd-questions@freebsd.org>;
	Wed,  9 Mar 2005 14:53:44 +0000 (GMT)	(envelope-from kdk@daleco.biz)
Received: from [69.27.131.0] ([69.27.131.0]) by ns1.tiadon.com with Microsoft
	SMTPSVC(6.0.3790.211);	 Wed, 9 Mar 2005 08:57:23 -0600
Message-ID: <422F0DF6.6090705@daleco.biz>
Date: Wed, 09 Mar 2005 08:53:42 -0600
From: Kevin Kinsey <kdk@daleco.biz>
User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.3) Gecko/20041210
X-Accept-Language: en-us, en
MIME-Version: 1.0
To: Andrew Lewis <al@xms.co.za>
References: <20050309152642.39d4616d@linux.site>
In-Reply-To: <20050309152642.39d4616d@linux.site>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
X-OriginalArrivalTime: 09 Mar 2005 14:57:23.0623 (UTC)
	FILETIME=[4D1C9B70:01C524B8]
cc: freebsd-questions@freebsd.org
Subject: Re: Fake Internal IP Address Ranges
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: Wed, 09 Mar 2005 14:53:44 -0000

Andrew Lewis wrote:

>Hi,
>
>Does FreeBSD refuse to route fake internal address ranges?
>
>I have a setup as follows:
>Ethernet0 (10.0.0.0 address, internet-facing)
>Ethernet1 (196.funny address, LAN-facing)
>
>We had broken our routing to accomodate the funny range, and it was working fine, until we put in the FreeBSD firewall. Tcpdump doesn't see packets for this range arriving anymore on the internet-facing interface... :(
>
>Is it fBSD thats breaking it? And if so, how can I turn off this behaviour?
>
>Thanks,
>-AL.
>  
>

I guess I don't understand.  Aren't you attempting to send packets
to a null destination?

[510] Wed 09.Mar.2005 8:38:14
[admin@archangel][/www/data/]
# whois 196.0.0.0

No match found for 196.0.0.0.

# ARIN WHOIS database, last updated 2005-03-08 19:10
# Enter ? for additional hints on searching ARIN's WHOIS database.

Kevin Kinsey