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Date:      Thu, 27 Jun 2002 13:35:47 +1000
From:      Mark.Andrews@isc.org
To:        "Jacques A. Vidrine" <nectar@FreeBSD.ORG>
Cc:        security@FreeBSD.ORG
Subject:   Re: BIND and reconstruction of DNS messages (was Re: FreeBSD Security Advisory FreeBSD-SA-02:28.resolv) 
Message-ID:  <200206270335.g5R3Zlm0040680@drugs.dv.isc.org>
In-Reply-To: Your message of "Wed, 26 Jun 2002 22:16:14 EST." <20020627031614.GE46205@madman.nectar.cc> 

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> On Thu, Jun 27, 2002 at 10:12:08AM +1000, Mark.Andrews@isc.org wrote:
> > 	Provided you are behind a nameserver you trust that reconstructs
> > 	the answer you should be fine.
> 
> Thanks for this info, Mark.
> 
> I guess that name server better be running on localhost, or else an
> agent may be able to spoof DNS messages.
> 
> > 	BIND 9 reconstucts all answers (excluding forwarded UPDATES).
> 
> cool
> 
> > 	BIND 8 forwards some and reconstructs others.
> 
> at random? :-)

	No.  See ns_resp.c for details.

> Cheers,
> -- 
> Jacques A. Vidrine <n@nectar.cc>                 http://www.nectar.cc/
> NTT/Verio SME          .     FreeBSD UNIX     .       Heimdal Kerberos
> jvidrine@verio.net     .  nectar@FreeBSD.org  .          nectar@kth.se
--
Mark Andrews, Internet Software Consortium
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark.Andrews@isc.org

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