掃描自身所有的port是否可以連接

掃描自身所有的port是否可以連接

netcat -z -n -v localhost 1-65535 2>&1 | grep succeeded

來源:https://www.digitalocean.com/community/tutorials/how-to-use-netcat-to-establish-and-test-tcp-and-udp-connections-on-a-vps