!!! Overview[1]
[{$pagename}] also known as Protected EAP or simply [PEAP], is a [protocol] that encapsulates the [Extensible Authentication Protocol] ([EAP]) within an [encrypted] and [authenticated] [Transport Layer Security] ([TLS]) tunnel.

The purpose was to correct deficiencies in [EAP]; EAP assumed a protected communication channel, such as that provided by physical security, so facilities for protection of the EAP conversation were not provided.

[{$pagename}] was jointly developed by [Cisco Systems], [Microsoft], and [RSA] Security. PEAPv0 was the version included with [Windows XP] and was nominally defined in draft-kamath-pppext-peapv0-00. PEAPv1 and PEAPv2 were defined in different versions of draft-josefsson-pppext-eap-tls-eap. PEAPv1 was defined in draft-josefsson-pppext-eap-tls-eap-00 through draft-josefsson-pppext-eap-tls-eap-05,[6] and PEAPv2 was defined in versions beginning with draft-josefsson-pppext-eap-tls-eap-06.

The protocol only specifies chaining multiple [EAP] mechanisms and not any specific method. However, use of the EAP-MSCHAPv2 and EAP-GTC methods are the most commonly supported

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* [#1] - [Protected_Extensible_Authentication_Protocol|Wikipedia:Protected_Extensible_Authentication_Protocol|target='_blank'] - based on information obtained 2017-05-25-