Zyxel-communications 660HW Series Manual do Utilizador descarregar pdf (Página 401)

100

101

Prestige 660H/HW Series User’s Guide

Splitters and Microfilters 400

PEAP (Protected EAP)

Like EAP-TTLS, server-side certificate authentication is used to establish a secure connection,

then use simple username and password methods through the secured connection to

authenticate the clients, thus hiding client identity. However, PEAP only supports EAP

methods, such as EAP-MD5, EAP-MSCHAPv2 and EAP-GTC (EAP-Generic Token Card),

for client authentication. EAP-GTC is implemented only by Cisco.

LEAP

LEAP (Lightweight Extensible Authentication Protocol) is a Cisco implementation of IEEE

802.1x.

WEP Authentication Steps

Three different methods can be used to authenticate wireless stations to the network: Open

System, Shared Key, and Auto. The following figure illustrates the steps involved.

Figure 266 WEP Authentication Steps

Open system authentication involves an unencrypted two-message procedure. A wireless

station sends an open system authentication request to the AP, which will then automatically

accept and connect the wireless station to the network. In effect, open system is not

authentication at all as any station can gain access to the network.

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