this post was submitted on 23 Jul 2024
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Privacy
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I specify my LAN DNS servers (2 pihole instances, main + a backup for redundancy) in my routers DHCP settings, so they are the DNS servers handed out to all LAN clients; then I have an iptables rule on the router blocking all port 53 traffic from leaving the network unless it came from those LAN DNS servers. This means only the piholes can reach external dns; everything else is required to use the LAN DNS servers or receive no response. Then the piholes have full control over what can and cannot resolve to an IP.
I haven't found a device that doesn't work with this setup. I used to have a couple google homes before I wised up, they worked fine behind this setup.
Wow thats very interesting. Ill try to so the same on my network
https://youtu.be/EdzDCkFaskc?si=F8FB0Xn28YeZ9N90
I'm doing this and it works great.
When my server turns off everything stops working which is interesting.
Awesome, thanks for the link! Ill get that setup up in my env