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What are your methods to harden *nix servers? (infosec.pub)
submitted 1 year ago by to c/cybersecurity@infosec.pub
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I have been looking at hardening *nix servers for my lab and maybe carry some of that over to work. CIS benchmarks are something I like doing but that's barely scratching the surface. What do you do for your servers?

I have Lynis, systemd-analyze, Kernel self protection in mind but I'd love to hear your thoughts. Bonus points for the most paranoid setups!

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[–] 4 points 1 year ago

Is this for internal facing servers? Not much more than CIS and the usual Best Practices (no root for SSH, etc)

For a DMZ node, minimal software (ie Arch) and automated defenses like fail2ban, key authentication, etc...

Firewalls with Geo-IP blocking also help, but that's not technically what you're asking for.

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