Realizar un escaneo de puertos básico (nmap -F giant.sg)
Nmap scan report for giant.sg (20.44.234.211)
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 6.34 seconds