[SOLVED] Forwarding Guest DNS to Private Network Pihole(s) DNSEC

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@solidus1983

Both networks have their own DHCP Server but if i place 6,192.168.1.15,192.168.1.16 into the DHCP option on guest network the internet stops working.

Do you allow it on the firewall?

@solidus1983

So is there anyway i can DNS Hijack or DNS Forward from Guest to Lan then to WAN?

DNS hijacking

Block and Redirect DNS to PiHole

You are right! I tried the masquerade rules (initially I thought you were saying about the wan postrouting masquerade) and now replies back to clients seem to come from the legitimate nameserver. Regarding IPv6 why are you trying to masquerade on the wan? Any host contacting some other host on the internet should use the GUA, not the LUA. I also fixed the reply from unexpected source for ipv6 just with this: ip6tables -t nat -A POSTROUTING -d fd00:bbbb::2 -p udp -m udp --dport 53 -m comment --…