Thanks for this tutorial. Seems to work for me with OPNsense 17.7.5-amd64.
Only thing I needed to add was the following custom config options to unbound DNS in order to get the dns resolver to work:
do-not-query-localhost: no
Only thing I needed to add was the following custom config options to unbound DNS in order to get the dns resolver to work:
do-not-query-localhost: no