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Self hosting with subdomains (jackdavies.github.io)

submitted 8 months ago by JackDavies@lemmy.world to c/selfhosted@lemmy.world

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I created a short tutorial on using sub domains to access services hosted within my home network, thought I would share it here in case anyone finds it useful

This is the first time I've made a technical tutorial so apologise if there are mistakes/its confusing, feedback will be appreciated

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[–] wildbus8979@sh.itjust.works 5 points 8 months ago* (last edited 8 months ago) (2 children)

Except it isn't. Saying it is trivial is just gross generalization. It's trivial to configure bind to have internal zones that aren't resolvable publically. It all depends on configuration, such as reverse ns entries, zone accessibility, etc.

You can have (sub)domains that are listed in the certificate lists and yet aren't resolvable externally as well.

[–] BonkTheAnnoyed@lemmy.blahaj.zone 1 points 8 months ago* (last edited 8 months ago) (1 children)

Actually, wait. Something you a said might actually be just what I'm looking for: you mean that I can have DNS entry for mydomain.com and no additional CNAMEs, and have a cert for nextcloud.mydomain.com (or wildcard maybe?) and somehow still be able to use name based virtual servers?

Hmmm. I thought I was going to be limited to path-based.

Explain more?

[–] wildbus8979@sh.itjust.works 2 points 8 months ago* (last edited 8 months ago)

Absolutely. Simply use ACME with the DNS validation method. Using bind you'll want to create keys and allow TXT access for those keys to the validation domains. Fear not, this isn't exclusive to bind, ACME tools supports dozens of other backends. That's all you need the actual domain doesn't need to be resolvable with an A/CNAME record. Internally you can run an entirely different DNS server to resolve your hosts, use hosts files, or use bind zones.

[–] BonkTheAnnoyed@lemmy.blahaj.zone 0 points 8 months ago* (last edited 8 months ago)

Okay. Yup, that's probably true. I'm not that deep into network stuff. But, if you're just doing the basic, 'ha.mydomain.com => 121.41.38.9' that works out of the box with name based virtual hosts and reverse proxy, then yeah, you'll get traffic on that within 24 hours.

I reckon if a person understands what you're talking about though, they're already doing better than most.