February 2020
Intermediate to advanced
666 pages
15h 45m
English
Content preview from Mastering Linux Security and Hardening - Second Edition
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SSH Hardening
The Secure Shell (SSH) suite is one of those must-have tools for Linux administrators. It allows you to take care of Linux servers from the comfort of your cubicle, or even from the comfort of your own home. Either way, it's a lot better than having to don your parka and jump through security hoops to enter a cold server room. The secure in Secure Shell means that everything that you either type or transfer gets encrypted. That eliminates the possibility of someone obtaining sensitive data by plugging a sniffer into your network.
By this stage in your Linux career, you should already know how to use Secure Shell, or SSH, to do remote logins and remote file transfers. What you may not know is that the default configuration of ...
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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.