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Old 08-30-2004, 05:02 PM   #1
Registered: Oct 2001
Location: Tokyo, Japan
Distribution: Slackware
Posts: 105

Rep: Reputation: 15
ping behind firewall with Nagios


I have Nagios setup and monitoring a number of things on my network. It is an awesome tool. However I would like to ping some devices behind a firewall that have internal IPs. Here is what I have on the server which runs Nagios (file /etc/nagios/services.cfg):
define service{
        use                             generic-service         ; Name of service template to use
        host_name                       memphis.server
        service_description             PING-DEVICE
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              3
        normal_check_interval           5
        retry_check_interval            1
        contact_groups                  novell-admins
        notification_interval           240
        notification_period             24x7
        notification_options            c,r
        check_command                   check_nrpe!check_ping!100.0,20%!500.0,60%
Seems like I have this setup correctly, no? The above is the server which as a real IP for the world.

On the memphis.server I have the nrpe dameon running and the check_ping plugin in the plugin directory. In my Nagios Map it says pending for the device I'm trying to reach behind the firewall.

Do I need a line above for the linux box that is behind the firewall, ie do I need to define a service for the box behind the firewall?

Thanks for any help you may provide.


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