But it keeps the DHCP Relay Setting, so i'm going with that and pass DHCP to pihole

I appreciate your commitment. I will probably have to leave the subject as it is for now. I plan to take a Raspberry Pi with Pihole with me, maybe I can use it to build in additional http blocks.

The title is business: If i switch mode from WISP to 4G and Back, the DNS settings are gone. Kind of annoying. Someone with an idea?

@woozle Also TP-Link Support smashed my hopes. Sehr geehrter Kunde, Vielen Dank für Ihre Rückmeldung. Der MR3020 mit aktueller offizieller Firmware untertützt die Eingabe vom 0.0.0.0 im Sinne "any...

*push* I'm still looking for davices. The discussion on Strongswarn leads to "insert 0.0.0.0" but thats not allowed. https://github.com/strongswan/strongswan/discussions/464

I've established successfully a VPN-Connection to my home-network. All Devices connected to the MR3020 Wlan (remote devices) are allowed to access the home devices. BUT: The external IP of the remote...