PacketFence Zero Effort NAC (ZEN) is a network access control (NAC) system. It supports registration of new network devices, detection of abnormal network activities, isolation of problematic devices, remediation through a captive portal, registration-based and scheduled vulnerability scans, VLAN isolation with VoIP support (even in heterogeneous environments) for multiple switch vendors, support for 802.1X through a FreeRADIUS module, wireless integration with FreeRADIUS, DHCP fingerprinting, and more. It consists of a fully installed and preconfigured version of PacketFence inside a VMWare image.
