IEEE 802.1X

A client (1) needs to be authenticated before it can access a resource (3).

IEEE 802.1 is the name for a number of high-level protocols for computer networks. In this context, IEEE 802.1X helps secure such a network. It defines methods to authenticate devices and to authorise the access to certain resources. A dedicated server checks information received from a "supplicant". Depending on the result of the check, access to the given resource is granted or denied.

Other websites

• IEEE page on 802.1X
• IEEE standard can be retrieved at no charge through the GetIEEE802 program: [1] Archived 2012-10-06 at the Wayback Machine
• Using 802.1x port authentication to control who can connect to your network Archived 2010-12-07 at the Wayback Machine
• 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 Archived 2007-08-13 at the Wayback Machine FreeRADIUS for 802.1x
• WIRE1x Archived 2010-04-12 at the Wayback Machine
• Deployment of IEEE 802.1X for Wired Networks Using Microsoft Windows
• Steve Riley's article on the 802.1x vulnerabilities