Realizar un escaneo de puertos básico (nmap -F isba.org)
Nmap scan report for isba.org (50.205.56.182)
Host is up (0.062s 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 2.72 seconds