Security


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Securing Ubuntu is as straightforward as installing it.
The examples used here were not invented. This article is really, really scary.
A break-in can happen to any system administrator. Find out how to use Autopsy and Sleuthkit to hit the ground running on your first forensics project.
Hack, analyze and learn from an intentionally insecure Web application.
The perfect NAC solution for both wired and wireless networks.
Explore hidden secrets of the DNS hierarchy with a benign and systematic diagnostic and audit methodology using readily available tools.
Keep your passwords safe in an encrypted file.
Start on “the Path” to a more secure system.
Trolltech's Qtopia SXE takes a stab at making open-source phones more secure.
Stored procedures bring the legacy advantages and challenges to MySQL.
Single sign-on dictated by user roles with Perl and Ruby.
A real-world case where SELinux proved its worth.
Lock down access to SSH with Single Packet Authorization.
How to set up and use SELinux Multi-Category Security.
Single Packet Authorization fills the gaps in port knocking.
Need a personal firewall, an enterprise Internet gateway or something in between? iptables does it all!
The powerful iptables is intuitive enough even for lazy geeks to write their own rules.
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