Sitecom WL-326 User Manual page 32

ACL
This wireless router supports MAC Address Control, which prevents unauthorized
clients from accessing your wireless network.
Enable wireless access control Enables the wireless access control function
Adding an address into the list Enter the "MAC Address" and "Comment" of
the wireless station to be added and then click "Add". The wireless station will
now be added into the "Current Access Control List" below. If you are having any
difficulties filling in the fields, just click "Clear" and both "MAC Address" and
"Comment" fields will be cleared.
Remove an address from the list If you want to remove a MAC address from
the "Current Access Control List ", select the MAC address that you want to
remove in the list and then click "Delete Selected". If you want to remove all the
MAC addresses from the list, just click the "Delete All" button. Click "Reset" will
clear your current selections.
Click <Apply> at the bottom of the screen to save the above configurations. You
can now configure other sections by choosing Continue, or choose Apply to apply
the settings and reboot the device.