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What steps do you take to secure your server and your selfhosted services? (lemmy.selfhostcat.com)

submitted 3 weeks ago* (last edited 3 weeks ago) by [email protected] to c/[email protected]

58 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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[–] [email protected] 21 points 3 weeks ago (1 children)

This and fail2ban

[–] [email protected] 2 points 3 weeks ago (1 children)

Anything else?

[–] [email protected] 9 points 3 weeks ago (2 children)

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

Strongly recommend.

[–] [email protected] 5 points 3 weeks 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! :)

[–] [email protected] 4 points 3 weeks 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.

[–] [email protected] 2 points 3 weeks ago* (last edited 3 weeks 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.

[–] [email protected] 1 points 3 weeks 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.