IEEE 802.1X

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A wireless node must be authenticated before it can gain access to other LAN resources.

IEEE 802.1X is an IEEE standard for port-based Network Access Control; it is part of the IEEE 802 (802.1) group of protocols. It requires a RADIUS server. It provides authentication to devices attached to a LAN port, establishing a point-to-point connection or preventing access from that port if authentication fails. It is used for certain closed wireless access points, and is based on the EAP, Extensible Authentication Protocol (RFC 2284). RFC 2284 has been obsoleted by RFC 3748.

[change] Other websites

• IEEE page on 802.1X
• IEEE standard can be retrieved at no charge through the GetIEEE802 program: [1]
• Using 802.1x port authentication to control who can connect to your network
• Configure RADIUS for secure 802.1x wireless LAN
• How to self-sign a RADIUS server for secure 802.1x PEAP or EAP-TTLS authentication
• Configuring FreeRADIUS for 802.1x
• WIRE1x
• Deployment of IEEE 802.1X for Wired Networks Using Microsoft Windows
• Steve Riley's article on the 802.1x vulnerabilities

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