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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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How do you handle SSL certs and internet access in your setup? (lemmy.world)

submitted 4 days ago* (last edited 4 days ago) by [email protected] to c/[email protected]

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tldr: I'd like to set up a reverse proxy with a domain and an SSL cert so my partner and I can access a few selfhosted services on the internet but I'm not sure what the best/safest way to do it is. Asking my partner to use tailsclae or wireguard is asking too much unfortunately. I was curious to know what you all recommend.

I have some services running on my LAN that I currently access via tailscale. Some of these services would see some benefit from being accessible on the internet (ex. Immich sharing via a link, switching over from Plex to Jellyfin without requiring my family to learn how to use a VPN, homeassistant voice stuff, etc.) but I'm kind of unsure what the best approach is. Hosting services on the internet has risk and I'd like to reduce that risk as much as possible.

I know a reverse proxy would be beneficial here so I can put all the services on one box and access them via subdomains but where should I host that proxy? On my LAN using a dynamic DNS service? In the cloud? If in the cloud, should I avoid a plan where you share cpu resources with other users and get a dedicated box?
Should I purchase a memorable domain or a domain with a random string of characters so no one could reasonably guess it? Does it matter?
What's the best way to geo-restrict access? Fail2ban? Realistically, the only people that I might give access to live within a couple hundred miles of me.
Any other tips or info you care to share would be greatly appreciated.
Feel free to talk me out of it as well.

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[–] [email protected] 7 points 4 days ago (1 children)

If security is one of your concerns, search for "HTTP client side certificates". TL;DR: you can create certificates to authenticate the client and configure the server to allow connections only from trusted devices. It adds extra security because attackers cannot leverage known vulnerabilities on the services you host since they are blocked at http level.

It is a little difficult to find good and updated documentation but I managed to make it work with nginx. The downside is that Firefox mobile doesn't support them, but Firefox PC and Chrome have no issues.

Of course you want also a server side certificate, the easiest way is to get it from Let's Encrypt

[–] [email protected] 1 points 3 days ago (1 children)

That's interesting, I didn't know that was a thing. I'll look into it, thanks!

[–] [email protected] 5 points 3 days ago* (last edited 3 days ago)

I remember that I started by following these two guides.

https://fardog.io/blog/2017/12/30/client-side-certificate-authentication-with-nginx/

https://stackoverflow.com/questions/7768593/

something I'm not sure it is mentioned here is that android (at lest the version on my phone) accepts only a legacy format for certificates and the error message when you try to import the new format is totally opaque. If you cannot import it there just check openssl flags to change the export format.