ZyXEL Communications G-102 Betriebsanweisung PDF herunterladen (Seite 177)

ZyXEL G-1000 v2 User’s Guide

177

Figure 100 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.

Shared key authentication involves a four-message procedure. A wireless station sends a

shared key authentication request to the AP, which will then reply with a challenge text

message. The wireless station must then use the AP’s default WEP key to encrypt the

challenge text and return it to the AP, which attempts to decrypt the message using the AP’s

default WEP key. If the decrypted message matches the challenge text, the wireless station is

authenticated.

When your G-1000 v2's authentication method is set to open system, it will only accept open

system authentication requests. The same is true for shared key authentication. However,

when it is set to auto authentication, the G-1000 v2 will accept either type of authentication

request and the G-1000 v2 will fall back to use open authentication if the shared key does not

match.

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ZyXEL Communications G-102 Betriebsanweisung Seite 177