It would be best to have a list of MAC addresses that you need to permit or deny.

This article aims to guide you in configuring a local client filter list on the WAP125 or WAP581 access points. The list can be used to permit or deny listed client stations to authenticate with the WAP, making the network more secure. Configure a Client Filter List on the WAP125 or WAP581 ObjectiveĪ Client Filter lets you list down the Media Access Control (MAC) addresses of the wireless clients connected to your network, effectively creating a known-only devices list, which can be stored at the local Wireless Access Point (WAP) or on an external Remote Authentication Dial-In Service (RADIUS) server.