nagios_check_listening_port_linux

Project Notes

nagios_check_listening_port_linux is a plugin written to verify that a specified process name can be found listening on a specified TCP port.

Example command definition:

command[check_listening_port]=/usr/bin/python /usr/lib/nagios/plugins/nagios_check_listening_port_linux.py -n $ARG1$ -p $ARG2$

Example output:

OK. nginx found listening on port 80 for the following address(es): [0.0.0.0] | ‘listening_on_expected_port’=1;;;;
CRITICAL – No process named nginx could be found listening on port 9999 | ‘listening_on_expected_port’=0;;;;

Installation instructions can be found on the project homepage: https://github.com/jlyoung/nagios_check_listening_port_linux

Requires Python 2.4 – 2.7.X and netstat installed on the system.

Limitations: Currently only parses the Linux version of netstat output.
Currently only gives status information for TCP port bindings.