dsa-nagios-checks/checks/dsa-check-port-closed

   1 #!/bin/bash
   2
   3 /usr/lib/nagios/plugins/check_tcp "$@" > /dev/null
   4 rc="$?"
   5
   6 if [ "$rc" -eq 0 ]; then
   7         echo "Warning: port is open"
   8         exit 1
   9 elif [ "$rc" -eq 2 ]; then
  10         echo "OK: port is closed"
  11         exit 0
  12 else
  13         echo "Unknown exit code from check_tcp"
  14         exit 3
  15 fi