FRITZ!Box 4040 Service - Knowledge Base

FRITZ!Box 4040 Service

Setting up access and prioritization rules for a network application

You can define rules for network applications in the FRITZ!Box so that

  • some access profiles are completely prevented from accessing the Internet with them (parental controls).
  • their Internet access is treated with high priority or low priority if the Internet connection is overloaded (prioritization).

Requirements / Restrictions

  • You can only regulate network applications that exclusively use the TCP and UDP protocols.

Note:The configuration procedure and notes on functions given in this guide refer to the latest FRITZ!OS for your FRITZ!Box.

1 Preparations

  • Consult the manual for the network application or ask the manufacturer which ports and IP protocols the network application uses.

    Note:You can find a non-binding overview of the ports used by many network applications at

2 Adding a network application

  1. Click "Internet" in the FRITZ!Box user interface.
  2. Click "Filters" in the "Internet" menu.
  3. Click on the "Lists" tab.
  4. Click the "Add Network Application" button in the "Network Applications" section.

    Note:Several network applications are preconfigured in the FRITZ!Box. Click the corresponding button (Edit) if you wish to customize them.

  5. Enter a name of your choice for the network application in the "Network application" field.
  6. Click the "New Protocol" button.
  7. Select the protocol used by the network application to send data to the Internet.
  8. Only if you selected the TCP or UDP protocol:
    1. Enter the source port(s) and destination port(s) used to establish the connection.
    2. Click "OK".
  9. If the network application uses different protocols and/or ports, repeat steps 6 - 8 for these as well.

    Nine different rules are required to configure the game FIFA 2016 as a network application in the FRITZ!Box:

  10. Click "OK" to save the settings.