Nagios проверять ssh на нестандартном порту

Доки читай.

define command{
        command_name    check_myssh
        command_line    $USER1$/check_ssh $ARG1$ -H $HOSTADDRESS$
        }


define service{
        use common-service_tpl
        host_name 777
        service_description SSH
        check_command check_myessh!-p26000
}