NMAP

What is Nmap?

Nmap stands for Network Mapper. Basically, Nmap is an open-source network exploration and security tool. It was designed to quickly scan large networks, although it does a great job with single targets.

Nmap uses raw IP packets in original ways to determine which hosts are available on the network, which services (application name and version) they offer, which operating systems (and OS versions) they use, what types of packet filters/firewalls are used, and dozens of other characteristics.

Nmap is available For Windows, Linux, Mac OS X, Free BSD, Sun Solaris, Amiga, HP-UX, and Other Platforms.

What is Nmap used for?

Nmap is typically used for security checks, Finding Vulnerabilities in the system, many network and system administrators find it useful for common tasks, such as monitoring network structure, managing service startup schedules, and accounting for the host or service uptime.

Nmap was originally written by Gordon Lyon.