ZyXEL p-330w Betriebsanweisung

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ZyXEL P-330W User’s Guide
51 
Chapter 5 Wireless
5.4  Wireless Advanced Settings
Click ADVANCED SETTINGS to configure the advanced settings of your wireless LAN.
5.4.1  Authentication
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 25   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.