Monitoring a service if ICMP to the host isblocked
Dennis Huenseler
huenseler at twt.de
Mon Jul 23 11:07:40 CEST 2007
Hi all,
i've done the same for my loadbalancer-cluster. I use the HTTP-check as check_command in the hostconfig to ensure that the single nodes are up.
Kind regards,
Dennis Hünseler
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-----Original Message-----
From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of Arno Lehmann
Sent: Monday, July 23, 2007 11:04 AM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Monitoring a service if ICMP to the host isblocked
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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