TP-Link Deco M4 manages device access through the Block List
If you switch to Whitelist mode without adding your devices first, you will instantly lock yourself (and everyone else) out of the network.
- Open the TP-Link Deco app on your smartphone.
- Tap the "More" icon (bottom right corner, looks like three horizontal lines or a grid).
- Select "Advanced" from the menu.
- Tap "Whitelist" (Not Blacklist—Whitelist is the true filter).
- Read the warning: The app will explicitly warn you that enabling this will block all new devices. Tap Confirm.
- Tap "Add Devices" or the "+" icon.
- You have two choices:
: MAC filtering should be used as a secondary layer of security. Your primary defense remains a strong WPA2/WPA3 password TP-Link Community MAC address for a specific device, or are you looking to set up Parental Controls for better access management? How to configure Wi-Fi Access Control on TP-Link Deco TP-Link Deco M4 manages device access through the
to apply the restriction. The device will no longer be able to access the internet through your Deco units. www.tp-link.com Accessing via Web Browser