best way to alert if an event is positive?

[Marc Powell]

> -----Original Message-----
> From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> admin at lists.sourceforge.net] On Behalf Of Ralf Prengel
> Sent: Friday, June 24, 2005 7:49 AM
> To: nagios_list
> Subject: [Nagios-users] best way to alert if an event is positive?
> 
> Hallo,
> 
> the problem.
> I ve several old system with installed telnet and ftp.
> These services should not be active under normale circumstances but
the
> must be installed because of "historical reasons".
> So my question is how to observe these services (check connection from
> the nadios server with a plugin _, check for the processes on the
system
> etc,? ) and how to configure nagios to alert on a "working" event.


What do you mean by active? If they're not supposed to be listening then
you could use check_tcp/check_ftp with the negate wrapper to return OK
if they're not listening on their respective ports and CRITICAL if they
are.

If you need a more specific test you'll need to describe more
specifically what you're looking for.

--
Marc


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