Scan network for open ports IP address or domain name of the host to scan (scan all ports 1-65535) <hostname> <x.x.x.x> <h:h:h:h:h:h:h:h> nmap -p- -T4 --max-retries=1 --host-timeout=30s "$4" Port scan options ${vyos_op_scripts_dir}/execute_port-scan.py "${@:4}"