I have a gl-inet router on which I have an nginx config to send traffic to Nginx Proxy Manager and DDNS with cloudflare.

I’m trying to get some kind of local dns set up so that if I’m on the local network, traffic stays within the network. The problem that I’m running in to is SSL certificates. NPM (on the server) is handling those and I thought that what I could do is go into the AdGuard Home (on the gl-inet router) config and add a dns rewrite to point to the router and traffic would flow as it normally does.

This DOES work, technically. traceroute shows only one hop for any of my subdomains, ie files.mydomain.com.

But I cannot actually get access in a browser because the ssl certificates are not set up.

It seems like options are: manually copy certificates from the server to the router (not ideal), or don’t do it at all. I notice that if I go to the service by ip address, it’ll change the address to the domain name. Eg going to 192.168.8.111:30027 -> files.mydomain.com.

This isn’t a HUGE deal, but it’s not preferable. How have you all solved this?

Edit: I solved the issue in probably the most hilarious way. I was trying to get the forwarding and everything set up and then borked my routers firewall so bad I couldn’t get to the outside at all, so I did a hard reset.

I then moved my admin UI ports up by one each (81/444), re-set up Goodcloud, ddns, Wireguard server on the router, then set up port forwarding for 80/443 on the router to 80/443 on the trunas server. I switched NPM to listen on those ports (since I moved the web UI to different ports), then added Adguard Home DNS rewrites. It’s now all working as expected.

Local traffic only has one hop and is accessible without SSL warnings, and same for WAN traffic. Thank you all for the help!

@catloaf@lemm.ee
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31d

Why is your router doing TLS termination? Stop that.

@RagingHungryPanda@lemm.ee
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11d

You got me on to something. It looks like Nginx can be configured for tls passthrough https://serversforhackers.com/c/tcp-load-balancing-with-nginx-ssl-pass-thru

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