Realizar un escaneo de puertos básico (nmap -F lgusa.com)
Nmap scan report for lgusa.com (136.166.4.194)
Host is up (0.068s 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 3.36 seconds