The is a budget-friendly mesh Wi-Fi system designed to eliminate dead zones. While it excels in coverage and ease of use, its MAC address filtering —often referred to as "Access Control" or "Blacklisting"—is a functional but simplified security feature primarily managed through the TP-Link Deco app . Review: MAC Address Filtering on TP-Link Deco M4
(Blacklist) approach via the mobile app, newer firmware updates for some hardware versions have introduced more robust Wi-Fi Access Control Allow Lists (Whitelisting). Methods for MAC Address Filtering 1. Using the TP-Link Deco App (Recommended)
Here is where things get tricky for Deco M4 owners. The very feature that secures your network can break your smart home.
Yes, the Deco M4 supports MAC address filtering. You achieve it by using the Blacklist (to block specific MACs) or by using Parental Controls and Access Control (for scheduled filtering).
: Prevents specific devices from connecting. You can select currently connected clients or manually enter a MAC address.
While MAC filtering adds a layer of control, it has limitations in the modern era:
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