Tplink Deco M4 — Mac Address Filter On
When it comes to the Deco M4, the situation is somewhat nuanced and has been a point of confusion for many users. While many modern routers offer both a blacklist and a whitelist, historically, TP-Link has confirmed through official community channels that the Deco system only supported the mode through its main mobile application.
The biggest technical limitation is that for a device to be added to either a blocklist or allowlist, . The system only becomes aware of a device's MAC address after it has initially joined the network. This makes it impossible to pre-block or pre-approve a device that has never connected.
Knowing this can help me suggest the best or privacy settings for your setup. Share public link
If friends, clients, or temporary visitors ask for your Wi-Fi password, do not give them access to your main network. Navigate to > Guest Network . Create an isolated Wi-Fi name and password.
While MAC filtering is useful, it is not a complete security solution. Always ensure you are using WPA2-PSK/WPA3 encryption with a strong password. mac address filter on tplink deco m4
: Tap Mode and select either Block List or Allow List . Add Devices : Tap the "+" icon .
a browser and type http://192.168.0.1 or http://tplinkwifi.net in the address bar. Log in using your custom admin password. Click on the Advanced tab located at the top or side menu. Navigate to Security and select Access Control . Toggle the switch to Enable Access Control .
Instead of blocking devices, put unknown IoT devices on the Guest Network to isolate them from your main network.
What (iOS, Android, Windows) is the device you want to manage running? When it comes to the Deco M4, the
: Savvy users or modern operating systems (like iOS and Windows) can "spoof" or randomize MAC addresses, which can bypass basic MAC filters. Privacy Warnings
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 .
A common issue you'll run into with Apple devices (iPhones, iPads, MacBooks) is the "Private Wi-Fi Address" feature. This causes your device to present a different, randomized MAC address to your Deco network each time it connects.
This effectively . If you block a device by its "real" MAC address, it can simply use a random address the next time it connects and bypass the block entirely. Conversely, if you're using an allowlist, a device might attempt to connect with a random address not on the list and be blocked. The system only becomes aware of a device's
Periodically check the Deco App to ensure no unauthorized devices are trying to connect. By utilizing the block list feature on your
The TP-Link Deco M4 is a popular whole-home mesh Wi-Fi system, designed to eliminate dead zones and provide seamless connectivity. As you connect more smart devices, you might wonder how to manage exactly who and what gets on your network. This is where MAC address filtering comes into play. But what exactly is it, how do you set it up on the Deco M4, and is it the security silver bullet some believe it to be? This comprehensive guide will walk you through everything you need to know.
If you want to restrict internet access for specific family members without permanently blocking their hardware: Go to > Parental Controls . Create a profile (e.g., "Kids"). Assign specific devices to that profile.