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VPNs, self hosting and security (programming.dev)

submitted 10 months ago* (last edited 10 months ago) by [email protected] to c/[email protected]

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I run a load of containers on a NAS, and reverse proxy them through synology's inbuilt reverse proxy settings.

Essentially, I'd like to harden my security, and not really sure how best to do it.

Seeing people recommend nginx proxy manager, I've tried to set this up but never managed to get the certificates to work from letsencrypt ("internal server error" when trying to get one). When I finally got it working a while ago (I think I imported a cert), any proxy I tried to setup just sent me to the Synology login page.

I've tried to setup the VPN that comes with Synology (DSM 7+), but I must have set it up using the local IP address. It only works when I'm on my LAN, and not from an external network. Which is kind of the point, lol. I would like to use VPN to access the home network when out and about.

I've set random, long, unique passwords for everything I want to access, but I am guessing this is not the most secure, after seeing so many people use and recommend vpns.

I have tailscale, which is great for ssh-ing onto my Nas from the outside world. But to access my services, is a VPN the best way to do it? And can it be done entirely myself, or does it require paying for a service?

I've looked at authentic - pretty confusing at the outset, and Isee few evenings of reading guides ahead of me before I get that working. Is that worth setting up?

Does anyone have any advice/guides/resources that might help?

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[–] [email protected] 3 points 10 months ago (1 children)

I have tailscale, which is great for ssh-ing onto my Nas from the outside world. But to access my services, is a VPN the best way to do it?

The main point about Tailscale that I see people on here often get wrong is that they compare it to a "classic" hub-and-spoke VPN, when in fact it is an end-to-end zero trust encrypted mesh network. End-to-end does not mean machine-to-machine, it means user to service. So in your case, you should place one tailscale node in each pod (collection of containers that make up one service) as a sidekick. That way, a user need to authenticate in order to even open a network connection for a specific service, which is a very secure solution.

[–] [email protected] 2 points 10 months ago

You don't need to create a separate Tailscale node for each service. One Tailscale container, with its docker network interfaced with any container that needs it. Not sure what you'd gain by having multiple nodes in a scenario like this with a single user.