Email Alerts
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Red Hat Enterprise Linux 5.3 released
Red Hat Enterprise Linux 5.3 was released on January 20, with up-to-date security features and enhanced virtualization, OpenJDK, and Intel Nehalem processor support. RHEL 5 is more secure than RHEL 4, with the company issuing fewer advisories in version 5.2 than in 5.0 and 5.1.News | 22 Jan 2009
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Open source growth dims LAMP stack to symbolic status
LAMP's status as the undisputed open source stack has dimmed to a largely symbolic role as the number of open source applications has expanded.Article | 16 Nov 2008
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Automated tool at LinuxWorld reduces security risk
A Trusted Computer Solutions security tool helps protect Linux servers from attack. The tool will be featured at the 2008 LinuxWorld show.Article | 04 Aug 2008
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LinuxWorld preview: IBM engineer touts SELinux
SELinux has made strides in protecting systems from intrusion by unauthorized access but its lack of user-friendliness remains a weakness.Article | 03 Aug 2008
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Canonical beefs up Ubuntu with new server, desktop version
Canonical has beefed up Ubuntu with the new 8.04 Long-Term Support for desktops and servers. New features include Active Directory, virtualization and enhanced security.Article | 22 Apr 2008
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Securing your Linux server with iptables
Harden your Linux server security with this tutorial on configuring the rules for iptables in your firewalls. See samples of code for rules and iptables, as well.Tip
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Setting up SSH2 on Red Hat Enterprise Linux
Find out how to set up SSH2 (Secure Shell) on Red Hat Enterprise Linux (RHEL), using encryption keys instead of passwords in this tutorial. You can use this with either RHEL 4 or RHEL 5.Tip
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Compiling OpenSSH on Feisty Fawn
An Ubuntu expert describes where in the process of compiling OpenSSH on Feisty Fawn a reader missed a step.Ask the Expert
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Setting up SSH for remote, secure server access
A Linux security expert gives non-operating system specific advice on setting up Secure Shell (SSH) for remote access from a server.Ask the Expert
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SquidGuard as Linux proxy for Windows XP
A Linux security expert recommends a helpful SquidGuard tutorial for a user having trouble running redirec_program /usr/bin/squidGuard.Ask the Expert
- VIEW MORE ON : Linux security risks and threats
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A look at real-world exploits of Linux security vulnerabilities
From unprotected NetBIOS shares, null sessions in Samba, to poorly configured FTP servers, your Linux system may be open and waiting for hackers. Learn how hackers can get into your Linux servers through these weaknesses and what you can do to secure your system.Tip
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Five common Linux security vulnerabilities you may be overlooking
Contrary to popular belief, Linux has security risks, that if not addressed can lead to malicious attacks of your system. Linux system administrators need to make security vulnerability testing a priority.Tip
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For Linux security, principle of least privilege prevails, says Red Hat security expert
A Linux security expert outlines best practices, from granting admins the least system access possible to the importance of system audits and when to turn on listening daemons.Article | 15 Jul 2008
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Installing the MySQL database server securely
Learn how to install the MySQL database securely with these essential steps and guidance. Assess your security risk level, prevent attacks and monitor your system effectively with this tip.Tip
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Hardening SUSE Linux Enterprise Server in eight steps
With this SLES hardening guide, a secure server is only eight steps away. Follow along with our expert, who shows how to lock down a server from installation to logging events.Tip
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Reducing Windows desktop total cost of ownership
IT managers who make the Windows desktop environment a high priority can grow the business -- instead of making it a cost center.Tip
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Red Hat Enterprise Linux 5, JBoss to receive security boost
Red Hat has announced that Red Hat Enterprise Linux 5 (RHEL 5) will now be subject to the Common Criteria certification and HP will offer multilevel security services for RHEL 5.Article | 06 Nov 2007
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Chapter 2, Hardening the operating system, from "How to Cheat at Securing Linux"
Secure your Linux sever, starting with the operating system. Get the essential how-to information from this excerpt from "How to Cheat at Securing Linux" by James Stanger.Tip
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How to use SSH Public/Private keys in PuTTY
In this article, you'll learn how to make communication between Linux Server and PuTTY more secure by using SSH public/private keys.Tip
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Why use SEL (security-enhanced Linux)?
Ask the Expert
- VIEW MORE ON : Linux system security best practices
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Using BackTrack to check for Linux vulnerabilities
Through common security methodologies and a full array of security testing tools, BackTrack identifies and exposes flaws within your Linux systems.Tip
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An open source security language: What is OVAL?
OVAL is a standardized security langauge that will help IT security professionals determine security vulnerabilities in a consistent manner across systems. With a unified language, a definition can be written by the maintainers and by using an assesment tool, the security community can quickly determine which systems are vulnerable.Tip
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What do you know about Linux administration tools?
How well do you know Linux tools? Test your understanding of tools for application servers, networking, scripting, Mozilla, security, management and administration, and desktops.Quiz
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Using OpenSSH for secure network tunnels on Linux
SSH is secure enough to be used across nonsecure private and public Internets. Learn the basics of SSH execution and how to implement and optimize SSH tunnels with Linux. SSH tunneling features allow remote traffic to be sent through the tunnel, expanding the security of the traffic network.Tip
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When to use SELinux: An introduction to security-enhanced Linux
Confused about security-enhanced Linux (SELinux)? Find out what it is and how and where to implement this Linux security system. Ken Milberg explains its origins and provides some good advice for implementing the system in your Linux distribution including a few words of warning for the wise.Tip
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After delay, Fedora 10 finally available
After being waylaid a month because of a security breach, Fedora 10 includes features for remote management of servers, storage in the cloud, energy saving and more.Article | 26 Nov 2008
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Linux open source firewall software options
Ken Milberg overviews open source firewall software options for Linux that leverage netfilter/iptables. FireHol, Shorewall, Untangle, and FireStarter are examined. Ken advises carefully considering these options, demoing them, and determining which option is best for your IT setting.Tip
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GroundWork adds network monitoring tools to systems management suite
GroundWork's Network Management Suite now contains four network monitoring tools that are a fraction of the cost of proprietary offerings from the likes of HP and IBM Tivoli.Article | 29 Oct 2008
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SE-Postgres tightens SQL security
In early 2009, the PostgreSQL group plans to implement a module called SE-Postgres in the database core. This module inherits security rules and contexts from the SELinux rule set of the host OS to control access to tables, individual rows of data and even individual columns.News | 28 Oct 2008
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Upcoming Fedora 10 release foreshadows Red Hat Enterprise Linux 6
Fedora 10 debuts next month, with features to simplify administration, improve power efficiency and refine access controls -- changes that will ultimately find their way into Red Hat Enterprise Linux.Article | 08 Sep 2008
- VIEW MORE ON : Linux security tools