PEAP. Protected Extensible Authentication Protocol. What is PEAP?. PEAP is an authentication protocol designed for wireless LANs PEAP makes use of 2 well known and well studied protocols EAP - Extensible Authentication Protocol TLS - Transport Layer Security.
Protected Extensible Authentication Protocol
Do you support PEAP?
Server PKI certificate & server’s TLS preferences
Certificate verified & client’s TLS preferences or OK
TLS settings accepted & TLS finished
Response to TLS tunnel established
Request client’s identity
Client’s identity (tells server domain to contact)
Server’s requested EAP authentication type
Client’s requested EAP authentication type or OK
EAP method accepted, request authentication
Client’s UserID and Password
UserID & password
EAP authentication success