Expected Behaviour:
DNS is set in my Fritz.box to the PiHole DNS Settings, Internet Connection should work perfectly fine with the PiHole Blocking ADs and Stuff.
Actual Behaviour:
No Internet Connection with any Device within the Network (expect the PiHole Machine directly)
Hardware I use:
Ubuntu 22.04 LTS (Desktop Version) on a old HP i5 Desktop
AVM FritzBox 7520
Internetprovider: 1&1