Linksys WRT120N - Manual (Page 18)

Chapter 3
Advanced Configuration
14 Wireless-N Home Router
WEP
WEP is a basic encryption method, which is not as secure
as WPA.
IMPORTANT: If you are using WEP encryption,
then each device in your wireless network MUST
use the same WEP encryption method and key,
or else the network will not function properly.
Security Mode > WEP
Encryption Select a level of WEP encryption,
40/64 bits (10 hex digits) or 104/128 bits (26 hex digits).
The default is 40/64 bits (10 hex digits).
Passphrase Enter a Passphrase to automatically generate
WEP keys. Then click Generate.
Key 1 If you did not enter a Passphrase, enter the WEP
key manually.
TX Key TX (Transmit) Key 1 is used.
Click Save Settings to apply your changes, or click Cancel
Changes to clear your changes.
Wireless > Wireless MAC Filter
Wireless access can be filtered by using the MAC addresses of
the wireless devices transmitting within your network’s radius.
Wireless > Wireless MAC Filter
Wireless MAC Filter
Enabled/Disabled To filter wireless users by MAC Address,
either permitting or blocking access, select Enabled. If you
do not wish to filter users by MAC Address, keep the default,
Disabled.
Access Restriction
Prevent Select this option to block wireless access by
MAC Address. This button is selected by default.
Permit Select this option to allow wireless access by MAC
Address. This button is not selected by default.
MAC Address Filter List
Wireless Client List Click this button to open the Wireless
Client List screen.