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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Best advice is not to expose it publicly.
If you need access outside your LAN try using a VPN to your network with wireguard (wg-easy is nice) or tailscale (there are others as well).
If it's using a domain/subdomain make sure you use secure usernames and passwords, or things like authentik, authelia and the like to buff up security.
What about for services that is made public for anyone to use? VPN would not make sense here
Well, that's the crux. "Public for anyone to use" is a huge liability. No public service is really secure. They can be hardened but that's about it.
One way to harden a locally hosted setup could be to use Tailscale funnel. It's effectively a proxy for network traffic to one specific port of a machine on your network. You don't even need a static IP address or open ports here.
You're still vulnerable to problems with the specific service you're exposing though, so it's highly recommended to harden the service itself. Containerisation can be an option here but also systemd service hardening.
What's the effective difference security-wise between just opening a port and using a tailscale funnel to proxy the traffic on that same port?
I see two reasons:
That makes a lot of sense. I will set up Tailscale first then.
If something doesn't absolutely have to be public, then hosting a VPN or using tailscale (or if you prefer something self-hosted, nebula) can be good too.
If you DO want the application(s) to be public, then something I tried in the past that worked well:
I set up on a super cheap VPS and then set up a tunnel (using nebula) to a VM in my homelab. I made sure to configure nebula networking so as to only allow the VM and VPS.
Both the VPS and the VM were set up to allow only SSH using an ssh key. I threw on fail2ban for the VPS for good measure. It's scary seeing just how many bots attempt to log in the logs.
On the VPS, I installed nginx proxy manager and configured URLs on the nginx proxy manager to redirect each to different ports on the VM where apps (like nextcloud, an xmpp server etc) were running in docker.
Doing things that way you're only using the VPS as a HTTP/TCP proxy to the server in your home, not actually using VPS storage/processing power beyond the bare minimum for running nginx.
This is exactly what I do using tailscale and oracle free
Free is good!
I usually go with Digital Ocean. Are you using Oracle Cloud free?
Ya that's what I meant. I have lemmy running on the 4 core 24 gb ram free box
I host bitwarden with cloudflare tunnels and have an A record on my local DNS for it, so on LAN I can access it directly but still host it publicly without exposing ports.
I host publicly accessible content on my network. There is a risk, yes, and it takes understanding and work to do it safely. My firewall is dropping packets from all over the world constantly from crawlers/bots. If you don't know what you are doing, using something like tailscale is going to be way safer and easier.
There were a bunch of other comments on this post, then they suddenly disappeared? What happened? 😳
Stemming off your question, has anyone used twingate? I’ve seen this is a secure way to access my network, but am curious of peoples experiences.