While many users look for a traditional "MAC Filter" or "Whitelisting" menu, the Deco system approaches security through a feature called . Here is everything you need to know about managing device access on your Deco M4. What is MAC Address Filtering?

If you see an unfamiliar device on your network and want to kick it off immediately: Open the .

MAC filtering allows a router to identify a specific device and either: Only allow specific MAC addresses to connect.

If the device isn't currently connected, but you have its MAC address: Open the and tap the More icon (bottom right). Select Blacklist . Tap the + (Plus) icon in the top right corner. Select Add MAC Address .

Block specific MAC addresses from accessing the network.

Prevent legacy devices or unauthorized smart home gadgets from slowing down your M4’s dual-band performance. Limitations of MAC Filtering

It is important to understand the "Private Address" feature found on modern iPhones (iOS 14+) and Android devices. These devices use to protect privacy.