monitor hosts behind firewalls
mail at catsnest.co.uk
mail at catsnest.co.uk
Mon Feb 6 11:39:26 CET 2012
On Mon, Feb 6, 2012 at 2:57 AM, doug <goldcup at 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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