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How do you all handle security and monitoring for your publicly accessible services? (self.selfhosted)

submitted 2 weeks ago* (last edited 2 weeks ago) by a_fancy_kiwi to c/selfhosted

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This is a continuation of my other post

I now have homeassistant, immich, and authentik docker containers exposed to the open internet. Homeassistant has built in 2FA and authentik is being used as the authentication for immich which supports 2FA. I went ahead and blocked connections from every country except for my own via cloudlfare (I'm aware this does almost nothing but I feel better about it).

At the moment, if my machine became compromised, I wouldn't know. How do I monitor these docker containers? What's a good way to block IPs based on failed login attempts? Is there a tool that could alert me if my machine was compromised? Any recommendations?

EDIT: Oh, and if you have any recommendations for settings I should change in the cloudflare dashboard, that would be great too; there's a ton of options in there and a lot of them are defaulted to "off"

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[–] foggy 10 points 2 weeks ago* (last edited 2 weeks ago) (2 children)

Auth portal for VPN tunnell -> Authelia -> fail2ban -> VLAN with services only.

ELK stack monitors the LAN. (Including VLAN)

Keep that VLAN segmented. You're good unless you're a DOGE employee, then I'd recommend quite a bit more security.

[–] a_fancy_kiwi 1 points 2 weeks ago

I've seen a bunch of people recommend Authelia. Do you mind if I ask why you went with it over other software? I only went with authentik because I found a tutorial on it first

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