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PEAP Last modified: Tuesday, September 23, 2003
Pronounced “peep” and short for Protected Extensible Authentication Protocol, a protocol developed jointly by Microsoft, RSA Security and Cisco for transmitting authentication data, including passwords, over 802.11 wireless networks. PEAP authenticates wireless LAN clients using only server-side digital certificates by creating an encrypted SSL/TLS tunnel between the client and the authentication server. The tunnel then protects the subsequent user authentication exchange.
	Related Categories Communications Standards Encryption Security Wireless Computing Related Terms 802.11 authentication digital certificate encryption WLAN