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MAC address filtering is a powerful way to control which devices can connect to your home Wi-Fi. By using the unique hardware address of each device, you can create a strict gatekeeper system for your network. While traditional routers have a dedicated "MAC Filter" menu, the TP-Link Deco M4 mesh system handles this security feature through its (Deny List) and Manager/Profile settings within the Deco app.
Set , Time Limits , or Insights to pause the internet automatically. 3. Enable New Device Notifications
The easiest way to filter devices is through the official TP-Link Deco app. Steps to Block Specific Devices (Block List / Deny List) the Deco App on your smartphone. Tap on the More or Security tab at the bottom menu. Select Wi-Fi Access Control or Block List . Tap the "+" icon in the top right corner. Choose one of two options: mac address filter on tplink deco m4
Select Security from the left-hand menu, then click Access Control .
: Only allows listed devices to connect; all others are blocked. MAC address filtering is a powerful way to
Assign all devices belonging to that specific person to their profile.
A is a unique hardware identifier burned into every network adapter—your iPhone, PlayStation, laptop, or smart bulb. A MAC address filter acts like a bouncer at a club’s door: It either explicitly allows specific devices (Whitelist) or explicitly denies them (Blacklist). Set , Time Limits , or Insights to
If you live in an apartment building with shared walls, a strong password prevents most theft, but a determined hacker with a cracked password can still get in. A stops them cold—even if they have the Wi-Fi password, their unrecognized MAC address will be rejected.
Please note that the availability of the feature depends on your specific Deco M4 hardware version and firmware. If you don't see this option in your app, the Block List method remains your reliable primary tool for access control.
For more advanced users, you can access settings through a browser. : Navigate to
The Deco M4 offers two primary modes for managing device access based on their unique Media Access Control (MAC) addresses: