In the picture you can see an example Nmap scan conducted in Kali Linux. There is even a free and open source GUI called Zenmap, available at. Nmap was originally written for Linux, but it has been ported to major operating systems, such as Windows, Solaris, HP-UX, etc. ability to scan for well-known vulnerabilities.network information about targets, such as DNS names, device types, and MAC addresses.Īlthough usually used for port scanning, Nmap offers many additional features: This license gives you the right to run, study, share, and modify the software. Like most tools used in computer security, Nmap can be used for black hat. Widely used by network admins and penetration testers (but also by malicious hackers!), Nmap is free to use and is released under the GPL license. Security Scanner results of an Nmap scan Original author(s) Gordon Lyon. p: the -p flag or parameter is useful to specify one or many ports or port ranges. Below youll find nmaps main flags with examples. It was released almost 20 years ago (in 1997) and has since become the de facto standard for network mapping and port scanning, allowing network administrators to discover hosts and services on a computer network, and create a map of the network. Nmap flags are the parameters we use after calling the program, for example -Pn (no ping) is the flag or parameter to prevent nmap from pinging targets. Nmap is a powerful network security tool written by Gordon Lyon.

What is zenmap typically used for