How to find open ports in Servers in your Network with Linux

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http://www.go2linux.org – Introduction There are situations when you want to find a web server, or the CUPS server, or any other server in a local network, but you do not know the IP of that computer. You can go to computer itself and check its IP, or you can check the DHCP logs, or you can ask the Network Admin, but you can also use nmap Using nmap to find open ports First, be sure to use nmap only in your own network, do not try to use it to scan ports of a computer that does not belongs to you, to me, find someone scanning ports at my computer is like finding some burglar outside my home watching for open windows. (HowTos)