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Date:      Fri, 28 Sep 2001 09:04:01 -0700
From:      Gregory Neil Shapiro <gshapiro@FreeBSD.org>
To:        nate@yogotech.com (Nate Williams)
Cc:        cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org
Subject:   Re: cvs commit: src/crypto/openssh atomicio.h auth-chall.c auth2-chall.c canohost.h clientloop.h groupaccess.c groupaccess.h kexdh.c kexgex.c log.h mac.c mac.h misc.c misc.h pathnames.h
Message-ID:  <15284.40817.364418.89517@horsey.gshapiro.net>
In-Reply-To: <15284.36137.254842.551909@nomad.yogotech.com>
References:  <200109280133.f8S1Xr363615@freefall.freebsd.org> <20010928015644.N84277-100000@achilles.silby.com> <20010928013527.A8101@xor.obsecurity.org> <15284.36137.254842.551909@nomad.yogotech.com>

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nate> So, in other words, there is really no point in having both protocols
nate> listed in the same line, since only one protocol is ever attempted.

nate> A better description of the protocol line woudl be:

nate> "Protocol 1"
nate> *OR*
nate> "Protocol 2"

nate> Since in fact, it doesn't try the first protocol, and if it fails, then
nate> try the second protocol.  It always sticks with the primary protocol.

No, it does make sense to have both.  If you didn't list Protocol 1, then
an older ssh (that only supports protocol 1) would not be able to login to
your machine.  Only one protocol is ever attempted as you said, but which
one is decided by the identification given by the ssh client.


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