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Reply-To:	<pablo DOT milano AT datatransfer DOT com DOT ar>
From:	"Pablo Milano" <pablo DOT milano AT datatransfer DOT com DOT ar>
To:	"Max Bowsher" <maxb AT ukf DOT net>, <cygwin AT cygwin DOT com>
Subject:	RE: Openssh 3.0.2-p15: Can't validate public key when accesing from cron
Date:	Mon, 29 Jul 2002 18:17:59 -0300
Message-ID:	<IFEHJOPLDENDFBLHDBOCKEIACCAA.pablo.milano@datatransfer.com.ar>
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Max,
The problem is not the authorized_keys2, because I can connect with the same
user cron runs the command as, and it works fine (provided I do it from a
console).
I tried to upgrade to openssh 3.4p1-4 but I got new problems (explained in
another mail).

-----Mensaje original-----
De: Max Bowsher [mailto:maxb AT ukf DOT net]
Enviado el: Viernes, 26 de Julio de 2002 15:42
Para: pablo DOT milano AT datatransfer DOT com DOT ar; cygwin AT cygwin DOT com
Asunto: Re: Openssh 3.0.2-p15: Can't validate public key when accesing
from cron


Pablo Milano wrote:
>> I am using Cygwin with openssh 3.0.2p1-5 and openssl 0.9.6c-2
>> The sshd is running in a windows 2000 server computer.
>> I use rsa keys to authenticate the users who access the ssh server
>> from linux machines (kernel 2.4.18).
>> Authentication works fine if the "ssh -i user.key user AT server" is
>> run from a linux console, but it fails if the same command is run
>> from cron. The following error is returned to the standard error
>> console: "Host key verification failed."
>>
>> This happens only when trying to connect to the cygwin ssh server.
>> It works fine among linux servers.
>> Any hint?

1. Upgrade openssh - 3.0.x is: a) ancient, b) known to have security
problems.

2. The problem is likely to be that the server's host key is not in the ssh
known_hosts file for the user that cron is running ssh as. Since ssh is
running
non-interatively, it can't prompt 'Do you wat to trust this host key?'.


Max.


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