Realizar un escaneo de puertos básico (nmap -F eso.org)
Nmap scan report for eso.org (134.171.75.1)
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 7.11 seconds