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How are people doing HTTPS? (kbin.social)

submitted 1 year ago by [email protected] to c/[email protected]

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I have a PC I have installed Portainer on, with various docker services (home assistant, jellyfin, etc..) with an ISP supplied router fixing various device IP addresses and reaching out to dyndns.

I really want to move everything over to HTTPS connections by supplying certificates, tls termination, etc .
The issue I have is self signed certificates mean I have to manage certificate deployment to everything in the house.

I figure I need to link a domain to the DynDNS entry and arrange certs for the domain. However I can't make the link function and everywhere wants >£100 to generate a certificate.

How are people solving this issue?

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[–] [email protected] 3 points 1 year ago

You don't have to expose Nginx publicly. It can exist privately on your network. I have my own domain and DNS server internally. For example nginx.home.datallboy.com and jellyfin.home.datallboy.com will resolve to NPM server at 192.168.1.10. Then nginx can listen for jellyfin.home.datallboy.com, and proxy those connections to my Jellyfin VM at 192.168.1.20.

Since I own my domain (datallboy.com), I let Nginx Proxy Manager do DNS challenge which is only used to authenticate that I own the domain. This will insert a TXT record on public DNS records for verification, and it can be removed afterwards. LetsEncrypt will then issue a certificate for https://jellyfin.home.datallboy.com which I can only access locally on my network since it only resolves to private IP addresses. The only thing "exposed" is that LetsEncrypt issued a certificate to your domain, which isn't accessible to the internet anyways.

You do not have to create your own CA server.