March 2015
Beginner
236 pages
5h 23m
English
Content preview from Learning Puppet SecurityBecome 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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The firewallchain type
The firewallchain type is something that some people may never use. It allows you to manage the firewall chains themselves under iptables.
If you recall from the earlier section, the firewall rules are contained in chains. Firewall chains are groupings of related rules. By default, the filter table, which handles packet filtering, contains three chains INPUT, OUTPUT, and FORWARD. These chains filter packet input when they are forwarded and on output. There are other default chains present in other tables.
It is possible to add your own chain to better organize your firewall rules. You can then use the jump rule to send packets into your new chain.
You can use this type if you want to change some default parameters about a chain ...
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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.