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Authentication Methods
IEEE 802.1x Authentication Methods
LEAP (Wireless network)
Lightweight Extensible Authentication Protocol (LEAP) is a proprietary EAP method developed by Cisco
Systems, Inc., which uses a user ID and password for authentication.
EAP-FAST
Extensible Authentication Protocol-Flexible Authentication via Secured Tunneling (EAP-FAST) has been
developed by Cisco Systems, Inc., which uses a user ID and password for authentication, and symmetric key
algorithms to achieve a tunnelled authentication process.
The Brother machine supports the following inner authentication methods:
• EAP-FAST/NONE
• EAP-FAST/MS-CHAPv2
• EAP-FAST/GTC
EAP-MD5 (Wired network)
Extensible Authentication Protocol-Message Digest Algorithm 5 (EAP-MD5) uses a user ID and password for
challenge-response authentication.
PEAP
Protected Extensible Authentication Protocol (PEAP) is a version of EAP method developed by Cisco
Systems, Inc., Microsoft Corporation and RSA Security. PEAP creates an encrypted Secure Sockets Layer
(SSL)/Transport Layer Security (TLS) tunnel between a client and an authentication server, for sending a user
ID and password. PEAP provides mutual authentication between the server and the client.
The Brother machine supports the following inner authentications:
• PEAP/MS-CHAPv2
• PEAP/GTC
EAP-TTLS
Extensible Authentication Protocol-Tunneled Transport Layer Security (EAP-TTLS) has been developed by
Funk Software and Certicom. EAP-TTLS creates a similar encrypted SSL tunnel to PEAP, between a client
and an authentication server, for sending a user ID and password. EAP-TTLS provides mutual authentication
between the server and the client.
The Brother machine supports the following inner authentications:
• EAP-TTLS/CHAP
• EAP-TTLS/MS-CHAP
• EAP-TTLS/MS-CHAPv2
• EAP-TTLS/PAP
EAP-TLS
Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) requires digital certificate
authentication both at a client and an authentication server.
Related Information
• Use IEEE 802.1x Authentication for a Wired or a Wireless Network
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