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From: =?utf-8?Q?Dag-Erling_Sm=C3=B8rgrav?= <des@des.no>
To: Jeremy Chadwick <koitsu@FreeBSD.org>
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Date: Wed, 31 Oct 2007 16:37:16 +0100
In-Reply-To: <20071031143944.GB21646@eos.sc1.parodius.com> (Jeremy Chadwick's
	message of "Wed\, 31 Oct 2007 07\:39\:44 -0700")
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Cc: freebsd-current@freebsd.org, Rob Zietlow <rob.zietlow@gmail.com>
Subject: Re: [7.0-Beta] can no longer ssh into just upgraded host
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Jeremy Chadwick <koitsu@FreeBSD.org> writes:
> Dag-Erling Sm=C3=B8rgrav <des@des.no> wrote:
> > What makes you think it might be PAM-related?  They don't even get as
> > far as exchanging version strings.
> An old -stable post I read is what made me think it might be
> PAM-related:
>
> http://lists.freebsd.org/pipermail/freebsd-stable/2004-November/009414.ht=
ml

The symptoms are completely different.

> I don't know what stage PAM is actually induced within sshd (are any
> PAM-related API calls done before version exchange, etc.).

No.  The client and server send their version string in plain text
immediately upon establishing a TCP connection.  PAM isn't initialized
until after they have agreed on algorithms and keys and decided which
authentication method to use.

DES
--=20
Dag-Erling Sm=C3=B8rgrav - des@des.no