April 2006
Intermediate to advanced
624 pages
12h 2m
English
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12. System Security
System security is about as important an IT topic as there is these days. A key responsibility of a system administrator is keeping data secure and safe. In the Internet age, this requires more diligence and preparation that ever before. Even on systems inside a firewall, it is urgent to prepare and monitor for intrusions. This chapter begins by defining system security. It then tackles the issue of prevention, focusing on troubleshooting SSH and system hardening issues.
What Is System Security?
The word “security” in general usage is synonymous with “safety,” but as a technical term, “security” means not only that something is secure but that it has been secured. Systems security is a process by which the physical host and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.