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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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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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 These can include passwords, PHP code injection, weak file and directory permissions and outdated Apache and PHP versions.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... Tip
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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 syste... 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 secur... 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, expa... Tip
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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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Linux security help: Nagios with BMC Patrol, setting up SSH and more
A Linux security expert describes how to configure Nagios with BMC Patrol, gives non-platform-specific help for setting up Secure Shell (SSH) and more in this interview. Tip