Effectuer une analyse de port de base (nmap -F npc.com.vn)
Nmap scan report for npc.com.vn (116.212.48.252)
Host is up (0.21s latency).
Not shown: 99 closed tcp ports (reset)
PORT STATE SERVICE
80/tcp open http
Nmap done: 1 IP address (1 host up) scanned in 4.78 seconds