In this exmple My WEB-SERVER Ip Is 45.56.109.180 which is listening on port 80 mohammedrafi@NOC-RAFI:~$ nmap 45.56.109.180 Starting Nmap 6.40 ( http://nmap.org ) at 2016-04-01 08:16 IST Nmap scan report for li911-180.members.linode.com (45.56.109.180) Host is up (0.26s latency). Not shown: 994 closed ports PORT     STATE    SERVICE 22/tcp   open     ssh 80/tcp … Continue reading how to test web-server