Mac Address Filter On Tplink Deco M4 2021 Jun 2026

| Issue | Solution | |-------|----------| | Can’t find Access Control | Ensure Deco app is updated and you are logged into a TP-Link cloud account (not just local admin). | | Devices still connect after whitelist | Make sure Access Control is and “Allow only” is selected. Reboot the Deco system. | | Blocked device shows as “Unknown” | Wait a few minutes; the app will refresh. Or block again by tapping the device name. |

To make your MAC filter effective, you must disable "Private Address" or "Randomized MAC" in the Wi-Fi connection settings of the specific device you are trying to manage. Alternative Access Control Methods on Deco M4

The Deco M4 does not have a classic "block everyone except these devices" toggle. However, you can create a highly restrictive environment using Parental Controls, which functions similarly to an advanced MAC filter. Open the Deco app and tap . Tap Create a Profile (or the + icon). Name the profile (e.g., "Guest Restricted" or "Kids").

However, remember to combine these tools with a strong Wi-Fi password and to manage the "Private Address" features on your devices to ensure everything runs smoothly. mac address filter on tplink deco m4

For maximum security on your Deco M4, combine MAC management with these best practices:

While MAC address filtering is useful, it's not a perfect security solution and has several limitations, especially on the Deco M4.

Historically, the TP-Link Deco system only supported the blacklist feature. However, more recent firmware updates have started to introduce support for the Allow List on some Deco models, including the M4. Keep in mind that the availability of this feature may vary depending on your specific firmware version and regional settings. | Issue | Solution | |-------|----------| | Can’t

: Manually enter the device name and its unique MAC address if it’s not currently connected.

Are you trying to from leaching your Wi-Fi, or are you trying to manage screen time for family members?

MAC Address Filter on TP-Link Deco M4: The Ultimate Configuration & Security Guide | | Blocked device shows as “Unknown” |

Tap the in the top right corner of the device page. Tap Block (or Add to Blacklist ). Method 2: Block a Device Using its MAC Address Manually

If you want MAC filtering to be effective, you have to on your devices.