I have a flint 2 (glinet) as my firewall as well, I had read somewhere that I should install vanilla OpenWRT so I did (I have added stuff to it so I like coming up with different flavours when talking to people like rocky road). I have Caddy running in docker on a pi in my LAN I have a password file of some sort that Caddyfile references at the top. Don’t ask me how I formatted it because I do not remember that part but take my secondary pihole as an example of using a domain that cannot be reached, from outside of my lan.
pihole52.reannlegge.ca { @allowed { remote_ip 10.0.0.0/8 } handle @allowed { redir / /admin{uri} reverse_proxy http://10.0.69.52:31415/ } handle { respond "Not available from this network" 403 } import easydns_tls log { output file /var/log/caddy/pihole52.log format json } }
While other places on my domain can be reach outside of my vLANs. I have to secure some things up as I found that my SearXNG is open to the WAN.
Edit: looks like search.reannlegge.ca was available on the WAN if you where in Canada but I have changed that to only on my vLANs and VPNs