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Appendix B

Authentication and Encryption methods for an enterprise wireless network

Enterprise wireless network is a large network, for example using your machine in a business enterprise

wireless network, with IEEE802.1x support. If you configure your machine in an IEEE802.1x supported

wireless network, you can use following authentication and encryption methods.

Authentication methods



EAP-FAST

EAP-FAST (Extensible Authentication Protocol-Flexible Authentication via Secured Tunnel) 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 authentications:

• EAP-FAST/NONE

• EAP-FAST/MS-CHAPv2

• EAP-FAST/GTC



PEAP

PEAP (Protected Extensible Authentication Protocol) has been developed by Microsoft Corporation, Cisco

Systems and RSA Security. PEAP creates an encrypted SSL (Secure Sockets Layer)/TLS (Transport

Layer Security) 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

EAP-TTLS (Extensible Authentication Protocol Tunnelled Transport Layer Security) has been developed

by Funk Software and Certicom. EAP-TTLS creates a similar encrypt 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

EAP-TLS (Extensible Authentication Protocol Transport Layer Security) requires digital certificate

authentication both at a client and an authentication server.