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Linux security risks and threats

Improving security 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.
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.
Linux security guide: Linux, open source security

Start hardening your Linux servers with this guide to essential tools and applications for Linux security, including SELinux, Nagios, firewalls and more.
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.

Linux security risks and threats

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Security audits for Linux

Security expert James Turnbull recommends resources for hardening your IT fortress. Ask the Expert
CAN vs. CVE numbers

Security expert James Turnbull explains the difference between CAN and CVE numbers assigned to vulnerabilities and bugs. Ask the Expert
Sources of free code for intrusion detection systems

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The pros and cons of IPsec

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Securing your perimeter against former employees

Could you describe some ways to protect our systems and network from laid off workers? My company is in the process of laying people off, and I'm struggling to keep us safe from them. Some who are getting laid off are remote workers with laptops, so ... Ask the Expert
Documenting traffic flow and control in a demilitarized zone

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Reducing false positives in open source intrusion detection

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How can we access our firewall during a DOS attack?

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How can an application detect that a desktop or personal firewall is blocking a port or binary image

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How can an application get vendor information about a firewall?

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