Steganography Intro Steganography and other strategies from the real world

Jan 26, 2010

This month we look at hidden data, dastardly PDFs, safer surfing, and tools for better password control.

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Security Lessons Overflows, underflows, and other security flaws

Dec 21, 2009

Our security guy looks at software tools that you can use to audit and secure your software.

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OpenVAS Exploring the OpenVAS vulnerability scanner

Nov 30, 2009

If you prefer to travel light and free, try OpenVAS, a GPLed fork of the Nessus scanning tool.

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Sys admin tools Smart tools for sys admins

Nov 24, 2009

This month we check out some new tools and take a closer look at some classic system administration utilities.

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ApacheCon Presentations in Free Streaming Archive

Nov 24, 2009

The Apache Foundation had its big conference November 2-6 in Portland OR and Linux Pro Magazine was there with its camera. To celebrate the ten-year anniversary of the foundation, some highlights from the comprehensive program of talks are available for free in our video archives now.

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Security Lessons: Rate Limiting Making sure your application is available

Nov 24, 2009

Maybe we should listen to those network guys.

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(Update) Belier: SSH with Points Along the Way

Oct 12, 2009

An SSH connection to a not directly linked system frequently makes at least one hop through the DMZ. The Belier tool simplifies this process. The program is now available in Debian's sid repository.

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Introduction The sys admin's daily grind: Httptunnel

Sep 30, 2009

Just a couple of hours after completing this article, Charly headed off on vacation. Before he left, he indulged in a spot of piercing to help him work around the paranoid firewalls waiting for him in the Internet cafes at his holiday location.

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