MAC filtering is not foolproof. Savvy users can spoof (fake) a MAC address. However, for standard home security, parental control, and managing bandwidth hogs, it remains an excellent tool.
You can filter out unwanted devices directly through the TP-Link Deco management app on iOS or Android. Method 1: Block a Currently Connected Device Open the on your mobile device. Tap the Online Devices section on the main dashboard. Select the specific device you want to restrict.
In your browser address bar, enter 192.168.68.1 (the default for Deco systems) or tplinkwifi.net .
Tap on the device you want to block, or navigate to -> Wi-Fi Access Control -> Block List . Step 3: Add Device to Block List mac address filter on tplink deco m4
Even advanced users hit snags. Here is how to fix the most common issues with the Deco M4’s filter.
In a household with many guests or new devices, managing the list can become tedious.
on Mode and switch it from Block List to Allow List Mode . MAC filtering is not foolproof
On the main dashboard, tap the icon or the central network map.
Mastering MAC Address Filtering on TP-Link Deco M4 Go to product viewer dialog for this item. : Enhance Your Network Security
If a user changes their device settings to "Private Wi-Fi Address," the Deco M4 might see it as a brand-new device with a different MAC address, potentially bypassing your previous block. For the best security, combine MAC filtering with a . Troubleshooting: Unblocking a Device If you accidentally blocked your own device: Open the Deco app using a different, connected device. Go to More > Blacklist . Find your device in the list. You can filter out unwanted devices directly through
This guide will walk you through everything you need to know about setting up and managing MAC address filtering on your system to secure your home network. What is MAC Address Filtering?
: Prevents specific devices from connecting. All other devices can access the network. Allow List Mode
Instead of filtering MAC addresses to keep strangers off your main network, enable the Guest Network feature. Give guests a separate password. This isolates your primary smart home devices and computers from temporary visitors. 2. Configure Parental Controls
: It works alongside parental controls to manage playtime and internet access for specific family members.
You will then see options to enable Access Control and choose between a (Allow List) or Blacklist (Block List). However, due to the web UI's very limited support, even if you configure these settings, their effectiveness is not guaranteed, and you should rely on the mobile app as your primary tool.