Absolutely, since i’ve degoogled long ago i’ll never go back. Your suggestion looks nice to me, will check it out, thanks.

will take a look at pfsense, thanks.

Thank you all. Happy now.

Monitorix or Netdata.

cryptomator + syncthing.

Onionshare.

Without testing and watching only the demo it seems they’re both not “active” firewalls.
Since i “test” a lot of softwarez i need an active pop up at every first connection attempt… (sadly i’m stuck with Win for one single app not working on linux).