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use passwords. EAP-TLS authentication supports dynamic WEP key management. The TLS

protocol is intended to secure and authenticate communications across a public network

through data encryption. The TLS Handshake Protocol allows the server and client to provide

mutual authentication and to negotiate an encryption algorithm and cryptographic keys

before data is transmitted.

TTLS

These settings define the protocol and the credentials used to authenticate a user. In TTLS

(Tunneled Transport Layer Security), the client uses EAP-TLS to validate the server and

create a TLS-encrypted channel between the client and server. The client can use another

authentication protocol. Typically, password-based protocols challenge over a non-exposed

TLS encrypted channel. TTLS implementations today support all methods defined by EAP, as

well as several older methods (PAP, CHAP, MS-CHAP and MS-CHAP-V2). TTLS can easily be

extended to work with new protocols by defining new attributes to support new protocols.

PEAP

PEAP is a new Extensible Authentication Protocol (EAP) IEEE 802.1X authentication type

designed to take advantage of server-side EAP-Transport Layer Security (EAP-TLS) and to

support various authentication methods, including users' passwords, one-time passwords,

and Generic Token Cards.

LEAP

A version of Extensible Authentication Protocol (EAP). Light Extensible Authentication

Protocol (LEAP) is a proprietary extensible authentication protocol developed by Cisco that

provides a challenge-response authentication mechanism and dynamic key assignment.

EAP-SIM

Extensible Authentication Protocol Method for GSM Subscriber Identity (EAP-SIM) is a

mechanism for authentication and session key distribution. It uses the Global System for

Mobile Communications (GSM) Subscriber Identity Module (SIM). EAP-SIM uses a dynamic

session-based WEP key, which is derived from the client adapter and RADIUS server, to

encrypt data. EAP-SIM requires you to enter a user verification code, or PIN, for

communication with the Subscriber Identity Module (SIM) card. A SIM card is a special

smart card that is used by Global System for Mobile Communications (GSM) based digital

cellular networks. RFC 4186 describes EAP-SIM.

EAP-AKA

EAP-AKA (Extensible Authentication Protocol Method for UMTS Authentication and Key

Agreement) is an EAP mechanism for authentication and session key distribution, using the

Universal Mobile Telecommunications System (UMTS) Subscriber Identity Module (USIM).

The USIM card is a special smart card used with cellular networks to validate a given user

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Advanced Wireless Communications MINI PRO Guía de usuario Pagina 76