Realizar un escaneo de puertos básico (nmap -F tcs.com)
Nmap scan report for tcs.com (52.172.221.38)
Host is up (0.22s 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 7.15 seconds