HP Jetdirect 175x Guia do Utilizador descarregar pdf (Página 25)

uses the same shared key

(a shared password

value) for network

access.

● Server-based

authentication: A server

on the network

authenticates each client

that requests a

connection to the

network. There are

several protocols

available, all based on

the Extensible

Authentication Protocol

(EAP). Briefly described,

they are:

❍ LEAP

(Lightweight

Extensible

Authentication

Protocol) -- a

proprietary

protocol from

Cisco Systems

that uses

passwords for

mutual

authentication

(that is, the

client and the

server

authenticate

each other).

❍ PEAP

(Protected

Extensible

Authentication

Protocol) -- a

mutual

authentication

protocol that

uses digital

certificates for

server

authentication

and passwords

for client

authentication.

For additional

security, the

authentication

exchanges are

encapsulated

within TLS

(Transport Level

Security).

❍ EAP-MD5 (EAP

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