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What are your methods to harden *nix servers? (infosec.pub)

submitted 5 days ago by fishynoob@infosec.pub 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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[–] HorreC@lemmy.world 3 points 5 days ago

I have used this with second port for handshake (with no info in heading and 20 second times) and then the final port opens with key exchanged from handshake.