Comment

Comment on How do I use HTTPS on a private LAN without self-signed certs?

FYI, all the certs you generate are public record, so it might be a good idea to use a wildcard route in Caddy. That will make it only generates one cert, so no one can find your internal domain names. Especially if your Caddy instance is accessible from the Internet, and you’re expecting external connections not to be able to access domains with only internal DNS records

source

Sort:hotnew top

douglasg14b@lemmy.world ⁨1⁩ ⁨week⁩ ago
That’s a good call out.

There are a few things I do right now:

All of my public DNS entries for the certs point at cloudflare, not my IP.

My internal Network DNS resolver will resolve those domains to an internal address

I drop all connections to those domains in cloudflare with rules

In caddy, I drop all connections that come from a non-internal IP range for all internal services

I use tailscale to avoid having to have routes from the Internet into my internal services for when I’m not at home.

For externally accessible routes, I have entirely separate configurations that proxy access to them. And external DNS still points to cloudflare, which has very restrictive rules on allowable connections.
source