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Re: Openssh 3.0.2-p15: Can't validate public key when accesing from cron
- From: "Max Bowsher" <maxb at ukf dot net>
- To: <pablo dot milano at datatransfer dot com dot ar>,<cygwin at cygwin dot com>
- Date: Fri, 26 Jul 2002 19:42:21 +0100
- Subject: Re: Openssh 3.0.2-p15: Can't validate public key when accesing from cron
- References: <IFEHJOPLDENDFBLHDBOCKEGLCCAA.pablo.milano@datatransfer.com.ar>
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@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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