Realizar un escaneo de puertos básico (nmap -F fun.co.uk)
Nmap scan report for fun.co.uk (72.21.92.42)
Host is up (0.00034s 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 5.85 seconds