Realizar un escaneo de puertos básico (nmap -F link.co.uk)
Nmap scan report for link.co.uk (20.90.134.19)
Host is up (0.14s 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 4.30 seconds