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On .LAN domains, how to stop firefox switching to https (when it's not available) and stop complaining about self-signed certificates when it is available ? (lemmy.ml)

submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]

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I'm just so annoyed of fighting this all the time.

If I can't figure this out I'm going to disable all https redirecting and all certificate errors off so I can have some peace

EDIT: I do not wish to manage certificates I do not want to setup private key infrastructure I don't want to use real internet domain names I don't want to manually install certificates into browsers after fishing them out of my ephemeral virtual machines

I just want to, add exception for *.lan for https auto redirect and auto-accept self-signed certificates as valid. This is not much to ask.

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[–] [email protected] 2 points 1 month ago

But honestly, you shouldn't need to do this, you can just use LetsEncrypt to get a real cert. Here's what I do:

route external traffic to your devices - I use a VPS w/ a VPN because I'm behind CGNAT, but if you have a publicly routable address, you can probably just use your router
configure LetsEncrypt for your services
configure the DNS your router provides to swap the public IP (i.e. the one for your VPS if you have it) to your LAN address, and have all of your devices use that DNS name

Boom, you get all the benefits of a proper TLS setup, along with all of the benefits of local traffic. You can even turn off external access to the services between cert renewals.