"1.42e+07"^^ . . "PacketFence"@en . . . . "2004-12-22Z"^^ . . "5.0" . "active" . "PacketFence is an open-source network access control (NAC) system which provides the following features: registration, detection of abnormal network activities, proactive vulnerability scans, isolation of problematic devices, remediation through a captive portal, 802.1X, wireless integration and User-Agent / DHCP fingerprinting."@en .