config FREETZ_PACKAGE_PORTSENTRY bool "portsentry 1.2 (binary only)" default n help PortSentry is part of the Abacus Project suite of security tools. It is a program designed to detect and respond to port scans against a target host in real-time. There are other port scan detectors that perform similar detection of scans, but PortSentry has some unique features that may make it worth looking into.