Realizar un escaneo de puertos básico (nmap -F xiaoju.ca)
Nmap scan report for xiaoju.ca (192.64.119.19)
Host is up (0.012s latency).
Not shown: 99 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
Nmap done: 1 IP address (1 host up) scanned in 2.04 seconds