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Security

Interview with a Ninja, Part I

By Mick Bauer | Apr 30, 2011
Mick chats with a highly skilled, highly ethical system cracker. more>>

Back from the Dead: Simple Bash for complex DdoS

By Greg Bledsoe | Mar 09, 2011
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If you work for a company with an online presence long enough, you'll deal with it eventually. Someone, out of malice, boredom, pathology, or some combination of all three, will target your company's online presence and resources for attack. more>>

Building a Transparent Firewall with Linux, Part V

By Mick Bauer | Mar 01, 2011
Build a transparent firewall using an ordinary PC. more>>

Introduction to Forensics - A Report from Southwest Drupal Summit

By Steven Evatt | Feb 09, 2011

What do you do once you realize one of your servers has been compromised? I recently had the opportunity to hear Linux Journal's own Kyle Rankin give a very impressive talk covering this situation at the Southwest Drupal Summit in Houston, Texas. more>>

Building a Transparent Firewall with Linux, Part IV

By Mick Bauer | Feb 01, 2011
Arm your stealth firewall with a custom iptables script. more>>

Hack and / - Some Hacks from DEF CON

By Kyle Rankin | Jan 01, 2011
What happens when a sysadmin goes to a hacker conference? He gets a fresh perspective on computer security. more>>

Building a Transparent Firewall with Linux, Part III

By Mick Bauer | Jan 01, 2011
Hack your cheap wireless gateway into a stealth firewall. more>>

Web Application Security Testing with Samurai

By Jes Fraser | Jan 01, 2011
Web site vulnerabilities often occur in very non-obvious ways. Whether you're a Web developer or run a Web site, you need to understand how it's done and how to test your site. more>>

Linux Distribution: Lightweight Portable Security

By Michael Reed | Nov 30, 2010

Lightweight Portable Security is a LiveCD distro designed by the US Department of Defense to function as a secure end node, in other words, a safe environment from which to access the web or a remote desktop host. The focus is on security, and for this reason, it boots from a CD and executes from RAM, providing a web browser, a file manager and a few other small tools. more>>

Paranoid Penguin - Building a Transparent Firewall with Linux, Part II

By Mick Bauer | Nov 01, 2010
Use commodity to hardware to build a transparent firewall. more>>
firewall

Paranoid Penguin - Building a Transparent Firewall with Linux, Part I

By Mick Bauer | Oct 01, 2010
Yes, you still need a firewall. How about a transparent one? more>>

Paranoid Penguin - Linux VPNs with OpenVPN, Part V

By Mick Bauer | Aug 01, 2010
Tips for success in using OpenVPN for secure remote access. more>>
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