September 2004
Intermediate to advanced
640 pages
12h 53m
English
book
LPIC I Exam Cram™ 2: Linux Professional Institute Certification Exams 101 and 102
by Ross Brunson
Content preview from LPIC I Exam Cram™ 2: Linux Professional Institute Certification Exams 101 and 102
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Chapter 19. Security
Terms you’ll need to understand:
✓ | Chain |
✓ | Firewall |
✓ | Host security |
✓ | Masquerade |
✓ | Rule |
✓ | Secure shell |
✓ | TCP wrappers |
Techniques you’ll need to master:
✓ | Configuring hosts for security |
✓ | Setting and changing user password options |
✓ | Finding security risks |
✓ | Verifying package authenticity |
✓ | Configuring basic ipchains |
✓ | Configuring basic iptables |
✓ | Viewing current iptables’ configurations |
✓ | Setting up and configuring SSH |
✓ | Signing in, copying files, and setting boot options for SSH |
Using TCP Wrappers to Secure a Service
Though covered in detail elsewhere, TCP wrappers are an important part of system security and require a quick review.
The majority of system services or daemons use the libwrap.a library for TCP wrappers functionality. The concept of TCP wrappers ...
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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.