FRITZ!Box 7330 Service - Knowledge Base

FRITZ!Box 7330 Service

Restricting wireless access to known devices (MAC address filter)

The FRITZ!Box's wireless network (WiFi) is already protected against unauthorized access by individual wireless security settings in its factory settings. With the FRITZ!Box's MAC address filter you can also specify which wireless devices are allowed to connect to the FRITZ!Box. Since wireless devices transmit their unencrypted MAC address in every data packet, attackers can easily determine a MAC address that is allowed to connect. Therefore, the MAC address filter alone does not provide sufficient protection from undesired access and is only suitable as a supplementary measure for secure wireless encryption.

Requirements / Restrictions

  • The MAC address filter does not apply to wireless devices that use the FRITZ!Box's wireless guest access.

Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.

1 Enabling the MAC address filter

  1. Click "Wireless" ("WLAN") in the FRITZ!Box user interface.
  2. Click "Security" in the "Wireless" ("WLAN") menu.
  3. Enable the option "Do not allow any new wireless devices" in the "Restricting Wireless Access" section.
  4. Click "Apply" to save the settings.

Now only wireless devices listed in the "Restricting Wireless Access" section are allowed to connect to the FRITZ!Box's wireless network.

2 Adding a new wireless device

When the MAC address filter is enabled, you can disable it briefly so that the FRITZ!Box can automatically add the MAC address of a wireless device, or enter the MAC address manually:

Adding the wireless device automatically

  1. Click "Wireless" ("WLAN") in the FRITZ!Box user interface.
  2. Click "Security" in the "Wireless" ("WLAN") menu.
  3. Enable the option "Allow all new wireless devices" in the "Restricting Wireless Access" section.
  4. Click "Apply" to save the settings.
  5. Connect the wireless device to the FRITZ!Box's wireless network.
  6. Enable the option "Do not allow any new wireless devices".
  7. Click "Apply" to save the settings.

Adding the wireless device manually

  1. Click "Wireless" ("WLAN") in the FRITZ!Box user interface.
  2. Click "Security" in the "Wireless" ("WLAN") menu.
  3. Click "Add Wireless Device" in the "Restricting Wireless Access" section.
  4. Enter the MAC address of the wireless device.
  5. Click "OK" and then "Apply" to save the settings.