October 2011
Intermediate to advanced
300 pages
5h 51m
English
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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.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.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.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.
Managing firewalls with iptables
"Programming can be fun, so can cryptography; however they should not be combined."—Kreitzberg and Shneiderman
The programming language C has been described as a 'write-only' language; it's so terse and efficient that it can be difficult to understand even code that you've written yourself. The same might be said of iptables, the Linux kernel's built-in packet filtering firewall. Raw iptables rules look something like this:
iptables -A INPUT -d 10.0.2.15/32 -p tcp -m tcp --dport 80 -j ACCEPT
Unless you derive a sense of machismo from mastering apparently meaningless strings of line noise, which admittedly is an occupational disease of UNIX sysadmins, it would be nice to be able to express firewall rules in a more ...
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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.