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Figure 3-8 802.1X configuration
The authentication including,
PEAP --PEAP (Protected Extensible Authentication Protocol) is an
edition of EAP （ Extensible Authentication Protocol。EAP assures the
mutual authentication of wireless users and server in the networking
operation center.
TLS/Smart Card -- TLS (Transport Layer Security)，is used to configure
up an encryption channel and obtain the authentication of server, similar
to the webpage server authentication by SSL(Secure Sockets Layer).
This way uses data certificate to check the identity of users and server.
TTLS --TTLS uses certificate to validate the server identity and keep the
similar security properties of TLS at same time. Such as, to mutually
authenticate and dialog the shared secret of WEP key.
Md5 challenge --Md5-challenge is a single arithmetic using user name
and password, it doesn't support key management, but need a
pre-configure key.
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