Realizar un escaneo de puertos básico (nmap -F supermicro.org.cn)
Nmap scan report for supermicro.org.cn (101.36.73.136)
Host is up (0.19s latency).
Not shown: 99 filtered ports
PORT STATE SERVICE
1723/tcp open pptp
Nmap done: 1 IP address (1 host up) scanned in 19.20 seconds