Performing a basic port scan (nmap -F guide4test.com)
Nmap scan report for guide4test.com (23.19.81.155)
Host is up (0.034s latency).
Not shown: 89 closed ports
PORT STATE SERVICE
80/tcp open http
135/tcp filtered msrpc
139/tcp filtered netbios-ssn
445/tcp filtered microsoft-ds
1723/tcp filtered pptp
8081/tcp open blackice-icecap
49152/tcp open unknown
49153/tcp open unknown
49154/tcp open unknown
49155/tcp open unknown
49156/tcp open unknown
Nmap done: 1 IP address (1 host up) scanned in 1.89 seconds