How configure firewall

Here is the rules needed for updating virus database.
What is normal and needed?

Here are screenshots of acces firewall asked during analyse by avast.

We are really sorry but we cannot help you. We understand that you may not like the ads displayed in the app but we use the income from the ads to further support the development of the app and fund our future search of new threats. Without the ads served thanks to the backend communication this simply would not be possible.

If you do not want the ads and want to gain more control over the communication of the app, then please consider purchase of the subscription (subscribers may opt out from all the third party communication).