ZyXEL Communications ZyXEL ZyWALL 5, Руководство пользователя

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ZyWALL 5 User’s Guide
112 Chapter 6 Wireless LAN
Figure 36 Wireless: WPA-PSK
The following wireless LAN security fields become available when you select WPA-PSK in
the Security drop down list-box.
Table 26 Wireless: WPA-PSK
LABEL DESCRIPTION
Security Select WPA-PSK from the drop-down list.
Pre-Shared Key The encryption mechanisms used for WPA and WPA-PSK are the same. The only
difference between the two is that WPA-PSK uses a simple common password,
instead of user-specific credentials.
Type a pre-shared key from 8 to 63 case-sensitive ASCII characters (including
spaces and symbols).
ReAuthentication
Timer (Seconds)
Specify how often wireless stations have to reenter usernames and passwords in
order to stay connected. Enter a time interval between 10 and 9999 seconds.
If wireless station authentication is done using a RADIUS server, the
reauthentication timer on the RADIUS server has priority.
Idle Timeout
(Seconds)
The ZyWALL automatically disconnects a wireless station from the wired network
after a period of inactivity. The wireless station needs to enter the username and
password again before access to the wired network is allowed.
WPA Group Key
Update Timer
(Seconds)
The WPA Group Key Update Timer is the rate at which the AP (if using WPA-PSK
key management) or RADIUS server (if using WPA key management) sends a new
group key out to all clients. The re-keying process is the WPA equivalent of
automatically changing the WEP key for an AP and all stations in a WLAN on a
periodic basis. Setting of the WPA Group Key Update Timer is also supported in
WPA-PSK mode.
Apply Click Apply to save your changes back to the ZyWALL.
Reset Click Reset to begin configuring this screen afresh.