I installed PiHole and OpenVPN on my Raspberry following the tutorial on https://docs.pi-hole.net/guides/vpn/firewall/. Unfortunately, after numerous attempts to meticulously follow the tutorial, my setup did not work.
Only until I added the following line to my iptables setup, I got it working:
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j SNAT --to-source 192.168.1.2
Is this maybe an omission in the tutorial and should this be added?