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Sysadmin security: 8 Linux lockdown controls
Learn how to lock down your Linux system from unwanted access locally and across the network with eight helpful system controls.
Security is a perennial topic of interest for sysadmins. And securing new systems always presents a challenge because there really are no set standards for doing so. I'm pulling this article's list of security measures and controls from a variety of sources, including personal experience, DISA STIGs, and recommendations from other system administrators and security folks. While these security measures are good, they're only a first step toward better system security. These eight system controls are in no particular order of importance.