passive service checks, check that data is sent as it should

[Marc Powell]

Gregor Bruhin <mailto:gregor.bruhin at netoxygen.ch> shared with us:

> Hi,
> 
> A host A is sending sending the info "I'm alive" every minute to host
> B running nagios. 
> 
> Is there a way to check with nagios that host A sent at least one
> time the keepalive infos during the last 5 minutes and if not
> generate an alert ?  


Yes indeed. It's freshness checking:
http://nagios.sourceforge.net/docs/1_0/freshness.html. You'll probably
want to pay particular attention to the 'Working With Passive-Only
Checks'.

--
Marc


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