Email Alerts
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Improving security vulnerabilities in open source Web applications
Hackers thrive on exploiting open source Web application source code. But these tactics can protect your corporate applications from common security vulnerabilities and breaches.Tip
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Physical security threats to your Linux systems
Strong Linux network security can be meaningless if physical security is compromised. In this tip, a security expert outlines some common Linux physical security threats.Tip
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Linux security guide: Linux, open source security tools and tips
Start hardening your Linux servers with this guide to essential tools and applications for Linux security, including SELinux, Nagios, firewalls and more.Learning Guide
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Common Linux security policy management gaps
Linux security is commonly overlooked in IT security policies, especially when management is out of touch with what’s happening on the ground.Tip
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Google to phase out Windows for Linux, Mac OSes
Rumor has it that Google is ditching Microsoft Windows for Linux and Mac OSes, citing security issues due to the Aurora attacks that targeted a flawed Internet Explorer version.News | 01 Jun 2010
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Common security flaws to check for on your Linux-based Web systems
Your Linux server may have Web application-related security vulnerabilities that should be checked out and repaired. These can include passwords, PHP code injection, weak file and directory permissions and outdated Apache and PHP versions. Learn what to look for and how to fix it.Tip
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One million Linux kernels booted by Sandia researchers using virtualization and HPC
Sandia researchers announced that they have booted one million Linux kernels using virtual machines. The project focus was to model botnets, but has other uses as well.News | 05 Aug 2009
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Using nmap for Linux administration and security
The open source tool nmap is ideal for network troubleshooting, scanning and auditing. The tool can be used to identify devices on the network as well as the services running on them. It can also identify advanced information, such as operating systems in use, name and version of services, and network filters and firewalls.Tip
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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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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
- VIEW MORE ON : Linux security risks and threats
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Issues with SELinux preventing virtual machine from accessing files
Here's how to solve the problems when trying to access files via a virtual machine in SELinux.Answer
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Red Hat Enterprise Linux security mechanisms: SELinux, iptables and more
When setting up Red Hat Enterprise Linux on your data center servers, you need to make security decisions. Learn about security options for RHEL including SELinux, iptables firewall, TCP Wrapper and application security use considerations.Tip
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Physical security threats to your Linux systems
Strong Linux network security can be meaningless if physical security is compromised. In this tip, a security expert outlines some common Linux physical security threats.Tip
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Linux security guide: Linux, open source security tools and tips
Start hardening your Linux servers with this guide to essential tools and applications for Linux security, including SELinux, Nagios, firewalls and more.Learning Guide
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Common Linux security policy management gaps
Linux security is commonly overlooked in IT security policies, especially when management is out of touch with what’s happening on the ground.Tip
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Guide to the Linux security toolbox
Linux security software and tools are always changing. Learn which ones to use for your open source system and how to configure them according to your needs in this newly updated guide.Fast Guide
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Finding password weaknesses in your Linux systems
Getting through the security of your Linux systems might be easier than you think. Prevent unauthorized access by searching out unexpected password weaknesses.Tip
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Using kickstart and understanding packages for RHEL 5.4 hardening
While wholesale installation of Red Hat is the easiest method, it is not the safest for an enterprise Linux server use. Using kickstart and understanding packages in RHEL 5.4 can save a Linux admin a lot of time later dealing with patches and will protect the system from multiple vulnerabilities.Tip
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Hardening Linux with Bastille UNIX
Ensure your security by hardening the Linux operating system with either Bastille UNIX or through manual hardening best practices.Tip
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Security essentials for Active Directory on Linux
Active Directory functionality in heterogeneous data centers with Windows and Linux is increasingly appealing, but admins should be aware of the security risks this activity poses. The open admin policy on Active Directory doesn't adequately protect the system and a lack of password policies can be problematic. Lastly, Linux-based applications incorporated into Active Directory domain are now exposed to Windows security risks.Tip
- VIEW MORE ON : Linux system security best practices
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SELinux tutorial: Commands and management
Learn some key commands in SELinux and some user and port management tools to get SELinux running on your Linux servers for a more secure environment.Tip
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SELinux tutorial: Configuring RHEL 5 and Web servers
Configuring SELinux on RHEL 5 is easy using the GUI options. Learn how to set up SELinux using simple menu options and Boolean conditions in this tutorial. Also see how easy it is to secure Web servers such as Apache using SELinux.Tip
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SELinux tutorial: Introduction to Linux kernel security
SELinux may seem too complex for some administrators who instead disable the useful Linux kernel security tool. Learn how SELinux works, including how subjects and objects work and security policy settings.Tip
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Open source Web content control options
Setting up Web filters to control the content employees and customers using your Linux network can access is an important part of securing your Linux system. Learn about some open source solutions for network and desktop Linux content control.Tip
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Creating an inventory with nmap network scanning
Nmap network scanning generates a full system inventory, but it's only usable with the right parameters and output format. Learn how to create an nmap inventory in this tip.Tip
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Kerberos authentication in RHEL: Easing Windows-Linux integration
Kerberos authentication for CIFS offers easier Windows-Linux integration. In this tip, learn how Kerberos authentication works and how to set it up in Red Hat Enterprise Linux.Tip
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Installing the ModSecurity Web application firewall on Red Hat Enterprise Linux
Learn how to set up the ModSecurity Web application firewall on Red Hat Enterprise Linux 5.4 and Apache Web server 2.2.x. This firewall monitors access to Web servers to ensure that requests are valid and not malicious.Tip
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Guide to the Linux security toolbox
Linux security software and tools are always changing. Learn which ones to use for your open source system and how to configure them according to your needs in this newly updated guide.Fast Guide
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Patching running Linux kernels on servers with no reboot using Ksplice Uptrack
Ksplice Uptrack keeps Linux servers up-to-date with recent kernel security patches without rebooting, saving time and reducing down-time for mission critical production servers. Learn how the tool works and hear about a Linux-based hosting provider that is using the service.Tip
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Getting started with OpenVAS
OpenVAS is an open source network security scanner, and version 3.0.0 has useful features for your Linux system. Learn how to install and set-up OpenVAS in your data center from source on a Linux server.Tip
- VIEW MORE ON : Linux security tools