Security

Security Monitoring and Enforcement with Cfengine 3

Cfengine is well known as a powerful system configuration management tool, but did you know you also can use it to secure your systems? more>>

Interview with a Ninja, Part II

Mick continues chatting with a figurative and literal hacker ninja. more>>

Interview with a Ninja, Part I

Mick chats with a highly skilled, highly ethical system cracker. more>>

Back from the Dead: Simple Bash for complex DdoS

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

Build a transparent firewall using an ordinary PC. more>>

Introduction to Forensics - A Report from Southwest Drupal Summit

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

Arm your stealth firewall with a custom iptables script. more>>

Building a Transparent Firewall with Linux, Part III

Hack your cheap wireless gateway into a stealth firewall. more>>

Hack and / - Some Hacks from DEF CON

What happens when a sysadmin goes to a hacker conference? He gets a fresh perspective on computer security. more>>

Web Application Security Testing with Samurai

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

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>>

firewall

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

Yes, you still need a firewall. How about a transparent one? more>>

Paranoid Penguin - Linux VPNs with OpenVPN, Part V

Tips for success in using OpenVPN for secure remote access. more>>
Security

Security vs. Convenience

Although my intent is not to start the next GNOME/KDE-level war, it seems there must be a happy medium between total desktop insecurity and total desktop unusability. Linux offers so many ways to secure data that it's important to realize it's okay for folks to have different needs and desires. Sure, there are some basic security measures we all should take—things like: more>>

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Webinar
One Click, Universal Protection: Implementing Centralized Security Policies on Linux Systems

As Linux continues to play an ever increasing role in corporate data centers and institutions, ensuring the integrity and protection of these systems must be a priority. With 60% of the world's websites and an increasing share of organization's mission-critical workloads running on Linux, failing to stop malware and other advanced threats on Linux can increasingly impact an organization's reputation and bottom line.

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Webinar
Linux Backup and Recovery Webinar

Most companies incorporate backup procedures for critical data, which can be restored quickly if a loss occurs. However, fewer companies are prepared for catastrophic system failures, in which they lose all data, the entire operating system, applications, settings, patches and more, reducing their system(s) to “bare metal.” After all, before data can be restored to a system, there must be a system to restore it to.

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Sponsored by Storix