Si ens interessa comprovar quins ports TCP té oberts un host, podem escanejar-lo amb nmap, utilitzant el paràmetre -PS. $ nmap -PS 192.168.1.121 Starting Nmap 7.80 ( https://nmap.org ) at 2022-09-10 12:36 CEST Nmap scan report for Guard.mdemarc.com (192.168.1.121) Host is up (0.0029s latency). Not shown: 996 filtered ports PORT STATE SERVICE 22/tcp open ssh […]