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Self Hosting- Security recommendations (sh.itjust.works)

submitted 2 days ago* (last edited 2 days ago) by kertain@sh.itjust.works to c/selfhosted@lemmy.world

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Hello folks! I am looking for some guidance or direction on how to make sure my "server" locked down as much as possible. I know there are several websites/guides out there but was hoping I could get someone to recommend some good ones to use that cover all the bases solidly.

There are just so much info out there, wading through looking for a solid guide when you ignorant is hazardous.

Server is running Mint and hosts my Plex/Radarr/Sonarr stack. Using a locally hosted reverse proxy for any outside connections.

This started as a project to learn linux, so things are a bit shaky on linux understanding but getting better. I used GPT assistance to lock it down to the best of my ability, making sure (or I think) that most obvious firewalls rules were setup...ect.

Thanks for your help :)

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[–] Klox@lemmy.world 4 points 2 days ago

Your really need to define your scope first. Is it just you? Family? Extended family? Strangers?

After understanding that, the best bang for your buck is a private mesh/tunnel VPN. Tailscale, Netbird, Pangolin, or plain wireguard. If you want real public routing, then you need to understand reverse tunnels and your app's lifecycle/quality. After that, all the security guidelines are basically trying to reduce blast radius. And that depends a lot on how you're running the app, what it has access to, etc. DMZ network for isolation goes a long way.