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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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[–] fonix232@fedia.io 2 points 2 days ago

The recommendations so far are quite solid.

I'd also add that crowdsec with the right collections as a primary filter within your reverse proxy setup can be extremely useful, potentially even better than fail2ban, as CS delivers a literal "scan every packet and put them against these rules" approach - where the rules are crowd sourced, thus are more up to date than any manual blocklists, filter list etc. can be, and can spot even 0day intrusion approaches.