Re: Error "Did not receive identification string from"

From: Darren Tucker (dtucker_at_dodgy.net.au)
Date: 02/20/04


Date: Fri, 20 Feb 2004 00:59:46 +0000 (UTC)

In article <8e1e5153.0402190745.21fe5f0f@posting.google.com>,
Daz <daz_75@yahoo.com> wrote:
>We are getting these errors in our message logs on 2 machines (a
>cluster) that say the following every minute or so.
>
>Feb 15 03:28:57 hostname sshd[14789]: [ID 800047 auth.info] Did not
>receive identification string from xx.xx.x.xx
[snip]
>The xx.xx.x.xx machine is an NT machine that hasn't got ssh installed
>but has some software called Whats Up Gold installed that checks to
>see if machines are up and running.

Your monitoring machine is connecting to port 22 to see if the ssh service
is available, then disconnecting immediately.

Tell Whats Up Gold to stop probing port 22.

-- 
Darren Tucker (dtucker at zip.com.au)
GPG key 8FF4FA69 / D9A3 86E9 7EEE AF4B B2D4  37C9 C982 80C7 8FF4 FA69
    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.