check_ssh to find "corrupt" keys thatneedregeneration?

Marc Powell marc at ena.com
Thu Feb 21 16:04:20 CET 2008



> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Marc Powell
> Sent: Thursday, February 21, 2008 8:51 AM
> To: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] check_ssh to find "corrupt" keys
> thatneedregeneration?
> 
> 
> 
> > -----Original Message-----
> > From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-
> > bounces at lists.sourceforge.net] On Behalf Of Roger
> > Sent: Thursday, February 21, 2008 8:07 AM
> > To: nagios-users at lists.sourceforge.net
> > Subject: Re: [Nagios-users] check_ssh to find "corrupt" keys that
> > needregeneration?
> >
> > On 2/20/08, Roger <Roger at nagioswiki.com> wrote:
> >
> > 	I have ~300 Foundry routers, and periodically something (not
> sure
> > what) "happens" that resets some sort of key that prevents me from
> SSH'ing
> > in with a tool like PuTTY and Teraterm (have not tried this from a
> Linux
> > ssh box).
> 
> What is the specific error and symptoms that you're seeing? "resets
some
> sort of key" isn't very useful in helping you figure out how to check
> for it. I've never seen anything like what you're describing outside
of
> the host key changing. check_ssh should detect that and at least WARN.

Just a redaction. I was _really_ thinking of check_by_ssh here but that
wouldn't work in your case. check_ssh does not verify host keys.

More info about the problem is still useful though.

--
Marc

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