Packetfence is a trustworthy open Source Network access control system (NAC). It includes a mandatory network portal for registration, corrective, centralized wired and wireless management, support for 802.1X, 2-layer isolation for problematic devices, and a portal correction, integrated with Snort IDs and nessus vulnerabilities scanners. It can be used to effectively protect network security from small to large.
Packetfence 3.0 releases a number of new features. Contains a redesigned mandatory network portal, complete with guesthttp://www.aliyun.com/zixun/aggregation/17569.html "> admin function, able to activate or SMS via email, and pre-register user's self registration." There is a new feature that enables secure access to the network in devices that are not operational. Support for Rhel/centos 6, as well as some usability improvements.
Software Information: http://www.packetfence.org/
Download Address: http://www.packetfence.org/downloads/PacketFence/src/packetfence-3.0.0.tar.gz