nmap is a powerful network scanner that provides port scanning, OS and
service identification, and more.
After installing the package,
nmap will be available at Diagnostics >
nmap as well as in the shell (SSH or Console).
The nmap package also installs an OUI database that is used by the
pfSense® webGUI to display manufacturer names on pages that list MAC
addresses, such as the ARP Table, and
This package is currently supported by Netgate TAC to those with an active