February 2020
Intermediate to advanced
666 pages
15h 45m
English
Content preview from Mastering Linux Security and Hardening - Second Edition
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Implementing Mandatory Access Control with SELinux and AppArmor
As we saw in previous chapters, Discretionary Access Control (DAC) allows users to control who can access their own files and directories. But what if your company needs to have more administrative control over who accesses what? For this, we need some sort of Mandatory Access Control (MAC).
The best way I know to explain the difference between DAC and MAC is to hearken back to my Navy days. I was riding submarines at the time, and I had to have a Top Secret clearance to do my job. With DAC, I had the physical ability to take one of my Top Secret books to the mess decks, and hand it to a cook who didn't have that level of clearance. With MAC, there were rules that prevented me ...
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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.