Realizar un escaneo de puertos básico (nmap -F alpa.org)
Nmap scan report for alpa.org (20.237.14.126)
Host is up (0.058s 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 2.69 seconds