VoIP Security Securing VoIP networks

Jan 31, 2009

Eavesdropping on conversations on a LAN is easier than ever thanks to insecure VoIP installations. You don't need to bug restaurant booths or tap phone lines – standard Linux tools are all a hacker needs.

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Wireless LAN Security Security strategies for wireless networks

Jan 31, 2009

WLANs give you Internet access without a bird's nest of wiring. But if you don't take security seriously, you might find yourself with uninvited guests.

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One-Time Passwords on the Web Implementing a one-time password system on the web

Jan 31, 2009

Add security to your website with a one-time password system.

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Charly's Column The sys admin's (and the professor's) daily grind: Do-it-yourself antispam blacklists

Jan 31, 2009

At the Niederrhein University future admins implement spam defense mechanisms by attracting the attention of the Viagra Mafia. The results are pertinacious blacklists and expert knowledge of methods for combating the menace.

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Surviving NFS 3 NFS 3 and the specter of the spoof attack

Jan 31, 2009

Host-based authentication is easy to configure, but it doesn't do much to stop uninvited guests.

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Clickjacking Threat To Firefox

Jan 30, 2009

Counterfeit links are able to deceive the Firefox and Chrome browsers, directing users to unintended websites.

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Open Sandbox: Microsoft Provides Sources for Web Sandbox

Jan 29, 2009

The Web Sandbox project is Microsoft's solution for securing and improving the quality of web content through isolation. It has now provided the source code free under Apache License 2.0.

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CeBIT 2009: IBM's Smarter Planet with Green IT and Open Source

Jan 29, 2009

IBM's motto for the upcoming CeBIT 2009 trade show in Hannover, Germany in March is "Smarter Planet": "You'll see that transistors will be everywhere -- animals, people, clothing," says Martin Jetter, CEO of IBM Germany, in his keynote at yesterday's conference preview in Munich

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Issue 36: Getting Started with Linux – /Special Editions

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