FRITZ!WLAN Repeater 1750E Service - Knowledge Base

FRITZ!WLAN Repeater 1750E Service

Restricting wireless access to known devices (MAC address filter)

The FRITZ!WLAN Repeater has its own MAC address filter that allows you to specify which wireless devices may connect to the FRITZ!WLAN Repeater.

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!WLAN Repeater's wireless guest access.

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

1 Enabling the MAC address filter

  1. Click "Wireless" ("WLAN") in the user interface of the FRITZ!WLAN Repeater.
  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 under "Restricting Wireless Access" can connect to the FRITZ!WLAN Repeater'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!WLAN Repeater 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 user interface of the FRITZ!WLAN Repeater.
  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!WLAN Repeater'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 user interface of the FRITZ!WLAN Repeater.
  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.