Tap the Menu icon (often three dots) at the top right corner, and select Block List . Add a Device: Tap the "+" icon at the top right.
: It works alongside parental controls to manage playtime and internet access for specific family members.
Tap on the Wi-Fi Access Control module. Choose Your Mode: Tap Mode to toggle between: Block List Mode: Use this to ban specific unwanted devices.
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The Deco M4 does not have a classic “allow only these devices” MAC filter in its standard settings. Instead, it offers a “Blacklist” (block specific devices) and a feature called “Access Control” (only available if you link your Deco to a TP-Link Cloud account). This guide covers both the standard Blacklist method and the hidden Whitelist (Allow List) workaround.
If you prefer using a computer, you can also access the Deco's web-based management interface.
Enter a recognizable name for the device and type in its unique . Tap Save . How to Remove a Device From the Blacklist Tap the Menu icon (often three dots) at
, you may need to disable this feature on each device or the Deco will block them when their MAC address changes. Guest Network Exception Allow List Mode
Select the specific devices (by their MAC/Name) that you want to control.
If you have friends over, they will not be able to connect to your Wi-Fi until you manually add their devices to your Whitelist. Tap on the Wi-Fi Access Control module
How to Configure MAC Address Filtering on TP-Link Deco M4 You can secure your home network with MAC address filtering on the by using either the official TP-Link Deco Mobile App or the Web Browser Interface .
Tap or Add to Block List . The device will lose internet access instantly. Method B: Block an Offline Device Manually Go to More > Block List . Tap the + (Add) icon in the top right corner. Select Add MAC Address .
You can configure MAC address filtering on your Deco M4 in two ways: through the official (the most common method) or through the web interface .
Ensure your network encryption is modern. The Deco M4 supports robust wireless encryption algorithms. Keep your main Wi-Fi security set to WPA2-PSK [AES] or mix mode to ensure that even if someone hides their identity via a randomized MAC address, they cannot crack your network’s front door. Final Thoughts