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Knowledge document #1403

Setting up access and prioritization rules for a network application in the FRITZ!Box

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 applications that exclusively use the TCP and UDP protocols.

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

1 Preparations

  1. Determine which ports and IP protocols the application uses. Refer to the manufacturer for this information, for example consult the manual.

    Note:You can find a non-binding overview of the ports used by many applications at www.portforward.com.

2 Adding a network application

  1. Click on 'Internet' in the FRITZ!Box user interface.
  2. Click on 'Filter' in the 'Internet' menu.
  3. Click on the 'Lists' tab.
  4. Click on 'Network Applications' and then on 'Add Network Application'.

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

  5. Enter a name for the application and click on 'Next'.
  6. Select the protocol used by the application to send data to the internet.
  7. If you selected TCP or UDP, click on 'Next', enable the option 'Port Range' for the source port(s) and destination port(s), and enter the port(s) used by the application.
  8. Click on 'Finished' to save the settings.
    Prioritization rules FIFA 2022 (PlayStation)
  9. If the application uses multiple protocols and/or port ranges:
    1. Click on the (Edit) button next to the application.
    2. Click on 'Add Protocol' and repeat steps 6 - 8 for the protocols and port ranges that are missing.

    Example:
    Nine different rules are required to set up the game FIFA 2022 for PlayStation as a network application in the FRITZ!Box (source: Port Forward).

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