Realizar un escaneo de puertos básico (nmap -F shoes.com)
Nmap scan report for shoes.com (52.247.22.133)
Host is up (0.052s 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 2.96 seconds