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Date:      Wed, 16 Jan 2002 17:51:58 -0800 (PST)
From:      Koji Hino <hino@ccrl.sj.nec.com>
To:        stable@FreeBSD.ORG
Subject:   Re: 4.5-RC1: Why sshd require opie for SSH version 2?
Message-ID:  <20020116.175158.125114578.hino@ccrl.sj.nec.com>
In-Reply-To: <20020116.173525.68550113.hino@ccrl.sj.nec.com>
References:  <20020116.110509.05717273.hino@ccrl.sj.nec.com> <20020116155436.A28166@zipperup.org> <20020116180508.A11693@hardy.mskcc.org> <20020116181943.B30361@zipperup.org> <3C4614CE.8050001@bogen.org> <20020116.173525.68550113.hino@ccrl.sj.nec.com>

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From: Koji Hino <hino@ccrl.sj.nec.com>
 Subject: Re: 4.5-RC1: Why sshd require opie for SSH version 2?
 Date: Wed, 16 Jan 2002 17:35:25 -0800 (PST)
 ID: <20020116.173525.68550113.hino@ccrl.sj.nec.com>

> So, I think get_challenge() should handle '1' case.

One lost comment:
Yes, from system security view, it may be desired to make
indistinguishable if requested account name is valid or not. If
get_challenge() handle '1' case like '-1' case, cracker can know that
specific username is valid (valid on opie) or not (not valid on opie,
nor passwd, etc).

Koji

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