Realizar un escaneo de puertos básico (nmap -F kaspersky.it)
Nmap scan report for kaspersky.it (185.85.15.26)
Host is up (0.15s latency).
Not shown: 98 closed tcp ports (reset)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
Nmap done: 1 IP address (1 host up) scanned in 2.09 seconds