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by thaumasiotes 2127 days ago
> It's good for cases exactly like this - devices where you don't have control over /etc/hosts

Is the pihole a DNS server or a firewall? Sibling comments suggest it's a DNS server, but that doesn't answer this need at all -- if you don't control /etc/hosts, you don't control the device. It can do its resolution however it wants. Most obviously, it can include the domain names you don't want it to reach in its own /etc/hosts file, which you just said you didn't control.