In templates I see the initial check_command pointing to
'check-host-alive'. If I comment that out for the boxes behind the FW
how will nagios react? Or must I replace it with as you suggest a 'dummy
check'?
All my monitoring is off-site. I monitor my clients firewalls, servers,
workstations, and some routers if they have static ip. I only need
'check-host-alive' for the routers and firewalls, nothing else.
Can you give me an example of a dummy check?
Thanks
-----Original Message-----
From: m...@catsnest.co.uk
Reply-To: m...@catsnest.co.uk, Nagios Users List
<nagios-users@lists.sourceforge.net>
To: Nagios Users List <nagios-users@lists.sourceforge.net>
Subject: Re: [Nagios-users] monitor hosts behind firewalls
Date: Mon, 6 Feb 2012 10:39:26 +0000
On Mon, Feb 6, 2012 at 2:57 AM, doug <gold...@ix.netcom.com> wrote:
Hi Everyone,
I currently monitor various hosts behind firewalls, windows
servers,
linux, and some workstations. I have them all setup as active
hosts that
nagios pings to indicate they are up. Since they are all behind
firewalls all I'm doing for host status is in fact just pinging
the
firewall. I'm a little confused about using passive checks and
not sure
if this is the right way to go about doing what I want. I
monitor the
firewall and know that is up, and for all those hosts behind I'm
just
pinging the fw, no need to do that. I use nrpe or nsclient to
monitor
the services and really that's all I need. Can someone point me
in the
right direction so I can stop the active host status pings for
all hosts
behind the firewalls.
If you dont want to open up ping on the firewalls you could ether have a
dummy hosts check (a check that just returns 0) or have nrpe as the
hosts check (eg a check that just checks if nrpe is responding, again an
nrpe check that just returns 0 )
client nrpe command like this
command[check_nrpe_alive]=/patch/script/that/returns.0.sh
Nagios command:
define command{
command_name check_nrpe_alive
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -C
check_nrpe_alive
}
define host{
name behind_firewall
use generic-host
hostgroups +behind_firewall
register 0
}
then a use clause in your host config of behind_firewall
Ritchie
--
<-- http://23.me.uk/2 -->
<--Time flies like an arrow; fruit flies like a banana. -->
Thanks
Doug
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