802.1x
• Standard protocol for authenticating user *prior* to
granting access to L2 media
• Utilizes EAP (Extensible Authentication Protocol)
• Evolved from PPP, used for wired network authentication -
unencrypted
• Several types of “Wireless” EAP
• Cisco LEAP
• EAP-TLS
• PEAP
• EAP-TTLS
• These sub-types intended for use on untrusted networks such
as wireless
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