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What RADIUS/802.1X is able to provide and not and in which situations.
Varying implementation of features
Architecture
Things to mention:
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Protocols used: EAP, MSCHAP, PEAP, TTLS, TLS
What EAP is
Difference between auth systems: PEAP, TTLS, TLS
Difference between 802.1X and RADIUS and FreeRADIUS
RADIUS is the protocol, it can be used for many purposes and many authentication methods can be used.
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