Nmap

Network scanner for host discovery, port scanning and service detection, with an optional graphical front-end.

Desktopfree

Nmap is a network scanner used to discover hosts on a network, find which ports are open and identify the services and versions behind them. It runs from the command line and ships with the Zenmap graphical front-end, with installers for Windows, macOS and Linux. It is used by network administrators and security practitioners for inventory, auditing and troubleshooting.

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