October 2015
Intermediate to advanced
458 pages
10h 49m
English
Content preview from Red Hat Enterprise Linux Troubleshooting GuideBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Managing the Linux firewall with iptables
When it comes to managing the firewall service within Linux, there are many options, the most popular being iptables and ufw. For Ubuntu distributions, ufw is the default firewall management tool; however, overall, iptables is by far the most popular across multiple Linux distributions. Both of these, however, in themselves, are simply user interfaces to Netfilter.
Netfilter is a framework within the Linux kernel that allows for packet filtering as well as network and port translation. Tools such as the iptables command are simply interacting with the netfilter framework to apply these rules.
For this book, we will concentrate on utilizing the iptables command and service to manage our firewall rules. Not ...
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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.