Realizar un escaneo de puertos básico (nmap -F upmc.fr)
Nmap scan report for upmc.fr (134.157.250.59)
Host is up (0.15s latency).
All 100 scanned ports on upmc.fr (134.157.250.59) are filtered
Nmap done: 1 IP address (1 host up) scanned in 16.67 seconds