Monitoring a service if ICMP to the host is blocked

[Arno Lehmann]

Hi,

23.07.2007 08:42,, Patrick M. Hausen wrote::
> Hi, all!
> 
> We are monitoring an external FTP server that is not in our
> control but that we depend on for a certain part of our business.
> 
> After the FTP service failed for a short period of time on
> Saturday, the host was flagged "down" and has not come up
> since. I just found out that the other admin blocks ICMP.
> The FTP server works fine, though. I wonder if they have
> "misterious" problems with customers that have an MTU
> slightly less than 1500 somewhere in their path ;-))
> 
> Is there a way to tell Nagios not to bother checking
> if a host is alive with ICMP echo and just continue checking
> the service instead?

Sure... either simply remove the host check from the hosts definition, 
or - what I would do - use the ftp check as a host check also.

Arno

> 
> Thanks a lot,
> Patrick

-- 
Arno Lehmann
IT-Service Lehmann
www.its-lehmann.de

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