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Block DNS resolution between VLANs

I'm looking to use the built-in DHCP and DNS server on the Sophos XG on my "Main VLAN" but I don't want other VLANs to be able to do any nslookups for the host entrys.

Today VLAN1 has it's own DHCP and DNS server and the other VLANs uses the Sophos XG DHCP and DNS.

I have some DNS host entrys under Configure > Network > DNS, that I only want devices on VLAN1 to be able to do nslookups for.

Now when I tried from VLAN2 I could do a nslookup for the records.

I'm blocking VLAN2 from reaching VLAN1, but can't find out anything about this DNS configuration.

Thanks.



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