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this post was submitted on 28 Jul 2023
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Why did you register two separate domains instead of using a wildcard cert from LE and just using subdomains?
To separate my internal and external. Both my domains have wild card certs. I have a VPS that connects to my home lab. External requests hit the VPS first. Internal requests bypass the VPS and go straight to my home lab.
I could use a single domain but then my internal requests would reach out to the VPS just to go back to my home lab. I wanted to avoid that extra hop.
Do you need to actually register two different domains for that, or could the internal one use a reserved TLD like
.lanor.internal?I actually registered two different domains. I think using .lan or .internal would work like that. Essentially from the client machine, it needs to be able to resolve the domain name to the IP of your internal service. So say from your home PC you want to have grue.com resolve to your server. One way to do that is have a host entry on your PC to point grue.com to your server IP address. That way is easy to do and works great but will get annoying if you have multiple client machines.
Another way is if you have a local DNS server that can add locally defined DNS records. Pi-hole can do this, so that way any client machine that goes through Pi-hole will be routed to your server IP.