Realizar un escaneo de puertos básico (nmap -F vitay.pl)
Nmap scan report for vitay.pl (194.1.196.161)
Host is up (0.17s latency).
Not shown: 98 filtered ports
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 6.13 seconds