Effectuer une analyse de port de base (nmap -F ultrasrv.de)
Nmap scan report for ultrasrv.de (46.38.243.234)
Host is up (0.15s 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 11.82 seconds