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This comprehensive guide will walk you through finding your device MAC addresses and configuring the block list using the TP-Link Deco app. Understanding Deco M4 MAC Filtering Traditional routers use two types of MAC filtering: Denies everyone except approved devices. Blacklist: Allows everyone except blocked devices.

Are you trying to from your network, or are you looking to set up a strict whitelist for your household devices? How to configure Wi-Fi Access Control on TP-Link Deco

Assign all devices belonging to that specific person to their profile.

You have to manually locate and input the MAC addresses of every device in your house.

MAC address filtering on the TP-Link Deco M4 managed primarily through Access Control in the Deco app or web interface

: Prevents specific devices from connecting while allowing all others.

Perfect for parents who want to control exactly which devices their children use to access the internet.

From the app home screen, tap the or Devices icon to view all connected clients. Select the specific device you want to restrict.

By mastering these settings, you take full control of your home network. No more mystery devices slowing down your 4K stream, no more neighbor leaching off your signal, and no more kids online after midnight. The power is in your hands—and in the unique MAC address of every device you own.

If you accidentally block a family member's device or need to restore access to a previously restricted gadget, reversing the process is simple. Navigate to the menu in your Deco App. Tap on Blacklist . Locate the device you want to unblock.