For whatever reason I had a hell of a time getting my piholes to work after the recent upgrade to version 6. One didn't have a web interface and in some circumstance it consumed all of my memory on the old Raspberry Pi it's running on. The other just outright …

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I spent way too long bashing my head why my firewall rules weren't allowing traffic to my pihole. Turns out, it wasn't my firewall rules.

I finally used tcpdump to figure out that the rules were working and that it was a pihole configuration.

Here's the command I ran to …

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