Network  Authentication:  Select  Open,  Shared,  WPA-PSK,  WPA2-PSK  or  Mixed  WPA/  WPA2-PSK  from  the 
drop-down list to encrypt your wireless network. 
Depending on the type of network authentication you select, you will be prompted to enter corresponding settings.   
WEP Encryption: Select Enabled or Disabled. 
Encryption Strength: Select 128-bit or 64-bit. 
Current Network Key: Select a network key to be active. 
Network Key 1/2/3/4: Enter 13 ASCII characters or 26 hexadecimal digits for 128-bit encryption keys; enter 5 ASCII 
characters or 10 hexadecimal digits for 64-bit encryption keys. 
WPA/WAPI passphrase: Enter a WPA/WAPI network key. 
WPA Group Rekey Interval: Specify a key update interval. 
WPA/WAPI Encryption: Select AES or TKIP+AES.     
4.3.3 MAC Filter 
The MAC-based Wireless Access Control feature can be used  to  allow or  disallow  clients to  connect to  your wireless 
network. 
 
 
Allow: Only allow PCs at specified MAC addresses (in the list) to connect to your wireless network.   
Deny: Block only PCs at specified MAC addresses from connecting to your wireless network. 
Disable: Disable this feature. 
Add: Click to add a MAC address. 
To  delete  an  existing  MAC  address,  first  check  the  Remove  box  next  to  the  MAC  address  in  list  and  then  click  the 
Remove button. 
Example 1: To allow only the PC at the MAC address of 00:1A:3D:9C:BB:23 to connect to your wireless network, do as 
follows: 
1.  Select Allow. 
2.  Click the Add button. 
3.  Enter 00:1A:3D:9C:BB:23 in the MAC address box as shown in the figure below: 
 
 
4.  Click Apply/Save.