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Date:      Wed, 10 May 2000 04:10:07 -0700 (PDT)
From:      Ruslan Ermilov <ru@FreeBSD.org>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: bin/18354: NATD diverts DMZ packets to firewall host
Message-ID:  <200005101110.EAA51001@freefall.freebsd.org>

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The following reply was made to PR bin/18354; it has been noted by GNATS.

From: Ruslan Ermilov <ru@FreeBSD.org>
To: Brian Somers <brian@Awfulhak.org>
Cc: goran.lowkrantz@infologigruppen.se,
	freebsd-gnats-submit@FreeBSD.org, Charles Mott <cmott@scientech.com>,
	Eivind Eklund <perhaps@yes.no>, Ari Suutari <ari@suutari.iki.fi>
Subject: Re: bin/18354: NATD diverts DMZ packets to firewall host
Date: Wed, 10 May 2000 13:59:09 +0300

 On Tue, May 09, 2000 at 11:41:01PM +0100, Brian Somers wrote:
 > > >Number:         18354
 > > >Category:       bin
 > > >Synopsis:       NATD diverts DMZ packets to firewall host
 > 
 > This is happening because I changed the libalias(3) default so that 
 > it drops packets from outside to inside on the gateway by default 
 > rather than passing them into the (private) internal network.  This 
 > behaviour can be altered using PacketAliasSetTarget().  IMHO this is 
 > what people expect and is what the documentation indicated was the 
 > intention.
 > 
 > When I sent a patch to Ruslan (cc'd) adding a -t option to natd, he 
 > pointed out that natd's documentation clearly doesn't expect this to 
 > happen.
 > 
 > We decided to ask about the original intentions and decide what to do 
 > based on the outcome, but haven't received a reply from Charles (cc'd 
 > as a gentle poke) yet.
 > 
 But have managed to MFC the libalias(3) bits :)
 
 > So, this is in limbo.  At the moment, there's no way to get the old 
 > behaviour (maybe we should add the -t switch in the interim - Ruslan, 
 > have you still got that patch?  Or if you don't want to do that, 
 > perhaps we should just do a PacketAliasSetTarget(INADDR_ANY) in 
 > natd.c for now).
 > 
 I will add a PacketAliasSetTarget(INADDR_ANY) call today.
 
 -- 
 Ruslan Ermilov		Sysadmin and DBA of the
 ru@ucb.crimea.ua	United Commercial Bank,
 ru@FreeBSD.org		FreeBSD committer,
 +380.652.247.647	Simferopol, Ukraine
 
 http://www.FreeBSD.org	The Power To Serve
 http://www.oracle.com	Enabling The Information Age
 


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