Apologies if I've managed to land in the wrong place with this question.
I'm a first time home user of Sophos UTM but familiar with other UTMs as part of my day job.
I've got everything up and running and very happy with the logging/filtering etc but am struggling with one thing. I have clients on my home network with different DNS servers passed to them by DHCP depending on whether they're known adult devices or child/guest devices.
Adult devices get Google DNS, child devices get OpenDNS with a strict set of filters applied.
The issue that I've run into is that the UTM seems to rewrite DNS requests, or possibly that the web filter only uses the configured DNS forwarder.
This means that if I set the DNS on the UTM to OpenDNS, the adult devices (incorrectly) get OpenDNS applied to their browsing, or if I set Google DNS on the UTM the child devices no longer have OpenDNS to their browsing.
If anyone can point me at what I've messed up/missed in my configuration it would be appreciated!
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