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

submitted 1 year ago* (last edited 1 year ago) by ocean@lemmy.selfhostcat.com to c/selfhosted@lemmy.world

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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[–] Chewy7324@discuss.tchncs.de 2 points 1 year ago* (last edited 1 year ago) (1 children)

Yes. 127.0.0.0 is the localhost. This is the IP the container is listening on. Even if there was no firewall it wouldn't allow any connection except from the host. If it's set to 0.0.0.0 it means it'll allow connections from any IP (which might not be an issue depending on your setup).

The reverse proxy runs on localhost anyway, so any other IPs have no reason to ever have access.

[–] ocean@lemmy.selfhostcat.com 2 points 1 year ago

Yes. 127.0.0.0 is the localhost. This is the IP the container is listening on. Even if there was no firewall it wouldn’t allow any connection except from the host. If it’s set to 0.0.0.0 it means it’ll allow connections from any IP (which might not be an issue depending on your setup).

Thanks for explaining this!