November 24, 2009

EAP

Last modified: Monday, September 20, 2004 

Short for Extensible Authentication Protocol, an extension to PPP. EAP is a general protocol for authentication that also supports multiple authentication methods, such as token cards, Kerberos, one-time passwords, certificates, public key authentication and smart cards. IEEE 802.1x specifies how EAP should be encapsulated in LAN frames.

In wireless communications using EAP, a user requests connection to a WLAN through an AP, which then requests the identity of the user and transmits that identity to an authentication server such as RADIUS. The server asks the AP for proof of identity, which the AP gets from the user and then sends back to the server to complete the authentication.

EAP is defined by RFC 2284.

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RFC 2284  
Read the full text of the RFC for EAP.

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Related Categories

Wireless Computing

Related Terms

802.11

authentication

Kerberos

protocol

WLAN

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