Realizar un escaneo de puertos básico (nmap -F mama.ru)
Nmap scan report for mama.ru (91.90.215.220)
Host is up (0.19s 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 7.20 seconds