Performing a basic port scan (nmap -F leoninum-bonn.de)
Nmap scan report for leoninum-bonn.de (104.17.182.100)
Host is up (0.00090s latency).
Not shown: 96 filtered tcp ports (no-response)
PORT STATE SERVICE
80/tcp open http
443/tcp open https
8080/tcp open http-proxy
8443/tcp open https-alt
Nmap done: 1 IP address (1 host up) scanned in 3.82 seconds