this post was submitted on 02 Apr 2025
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109
What steps do you take to secure your server and your selfhosted services? (lemmy.selfhostcat.com)
submitted 2 days ago* (last edited 2 days ago) by ocean@lemmy.selfhostcat.com to c/selfhosted@lemmy.world
50 comments fedilink hide all child comments
 

Inspired by this comment to try to learn what I'm missing.

  • Cloudflare proxy
  • Reverse Proxy
  • Fail2ban
  • Docker containers on their own networks

Another concern I have is does it need to be on a separate machine on a vlan from the rest of the network or is that too much?

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[–] InvertedParallax@lemm.ee 8 points 2 days ago (2 children)

There are ip lists that let you iptables drop all traffic from China and Russia.

Strongly recommend.

[–] ocean@lemmy.selfhostcat.com 5 points 2 days ago (1 children)

I was auto banning all countries but my own but now I’m hosting one resource that has an audience including Chinese…

Good advice outside of this use case! :)

[–] InvertedParallax@lemm.ee 4 points 2 days ago

Yeah, there were other countries to ban, but those 2 cut my attacks down 90%.

Also consider a honeypot that triggers when anyone tries to ssh it at all.

[–] lka1988@lemmy.dbzer0.com 2 points 22 hours ago* (last edited 22 hours ago) (1 children)

My UDM has this capability. I've blocked quite a few countries that it logged as trying to get into my network. Great little internet cylinder.

[–] InvertedParallax@lemm.ee 1 points 6 hours ago

Have the rack mounted one, I usually roll my own router but I'm glad to have someone else making sure I don't do anything stupid for security.

It's not perfect, but it's peace of mind.