Realizar un escaneo de puertos básico (nmap -F t-l.ch)
Nmap scan report for t-l.ch (193.247.131.176)
Host is up (0.16s 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 7.63 seconds