I'm trying to setup DNS Request Route to a DNS server on AWS. Situation is similar to the below but I'm using Sophos Firewall instead of UTM. For SNAT on the Sophos Firewall, I can't seem to use a subnet so can't test the resolution that is mentioned below. I have confirmed using nslookup directly to the DNS server and it does work, however doing name resolution using ping doesn't work.
community.sophos.com/.../dns-request-routing-through-aws-vpn
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