Realizar un escaneo de puertos básico (nmap -F bigten.org)
Nmap scan report for bigten.org (67.192.28.17)
Host is up (0.037s 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 5.06 seconds