Monitoring a service if ICMP to the host is blocked

Patrick M. Hausen hausen at punkt.de
Mon Jul 23 08:42:56 CEST 2007


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?

Thanks a lot,
Patrick
-- 
punkt.de GmbH * Vorholzstr. 25 * 76137 Karlsruhe
Tel. 0721 9109 0 * Fax 0721 9109 100
info at punkt.de       http://www.punkt.de
Gf: Jürgen Egeling      AG Mannheim 108285

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