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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] 1 points 10 months ago

This comes into the design and requirements for your services.

If they need to be public ally available to more than just you, you'll want a reverse proxy and appropriate firewall rules. You'll also need to make sure things stay updated and security hardening is done on the servers and the proxy.

If you just need yourself to access things and they don't need full access from public internet, you want a VPN. Tailscale is pretty easy. Wireguard is a bit of work to set up, but can make for a good always on VPN for your devices to connect back into your home network to access what you want.

There are certain things like SSH that you really don't want publically accessible over the internet. Even with fail2ban and all the security hardening, it's just a headache and pointless traffic you'll deal with as people try to get in anyway.