Port Numbers required for NAGIOS

[Max]

Hi,

On Thu, Apr 3, 2008 at 9:29 PM, Kahlon, Robby <robby.kahlon at cubic.com> wrote:
>  The Windows 2003 server which I need to minitor and the Nagios server
>  are on two different subnets. All of the traffic from Nagios server to
>  Windows 2003 server has to go via a Cisco firewall.
>
>  Now, which ports do I need to open in the firewall so that Nagios server
>  can communicate with the Windows 2003 server (Nagios Client)?

If you are using NRPE, you will need to open TCP port 5666

http://nagios.sourceforge.net/docs/nrpe/NRPE.pdf

If you are using an SNMP agent on the Windows host, you will need to
open UDP 161 for SNMP GET and WALK requests.  Use SNMP v3 if it is
available for your agent.

If you want to send SNMP traps from your Windows host to Nagios, you
will need to open an ACL orginating from the Windows server and
terminating at the Nagios server on port UDP 162.  Use SNMP v3 if it
is available with the agent you are using.

if you are submitting passive checks from the Windows host to the
Nagios server using send_nsca and the NSCA daemon, you will need to
open an ACL originating from the Windows server and terminating at the
Nagios server on port TCP 5667.

- Max

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