Network Security Best Practices and Products

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  • Firewalls for Dummies, Chapter 1: Why do you need a firewall?

    Firewalls for Dummies, Chapter 1, by Brian Komar, Ronald Beekelaar and Joern Wettern provides an excellent overview of what a firewall is, what it does and how it works. Further, it explains when you might need a firewall, covering issues like Intern...  Chapter Download

  • Guide to network security

    This guide introduces you to the main components in whole network security. You'll find articles, tutorials, tips, tools, white papers and more to pump up your network security quickly.  Learning Guide

  • Network security vs. network performance -- the line is blurring

    Securing your network is vital to your organizations livelihood, survival and future. But often, while securing the network, network performance is affected in adverse ways. Finding a happy medium between these two technologies -- and very often sepa...  Perspective

  • Identity management appliances reduce password cost

    An identity management appliance that's well-implemented can eliminate password administration overhead while strengthening network security and improving productivity. Learn about the benefits of the product and how to choose one.  Security Spotlight

  • Open source network tools

    Some of the most commonly used, enterprise-ready open source tools are used for networking applications; likewise, many networking tasks can be accomplished quickly and cheaply using open source tools. In this guide, we present advice and resources f...  Learning Guide

  • Wi-Fi firewalls boost wireless security by blocking airborne attacks

    Wi-Fi firewalls, or wireless intrusion prevention systems, are servers that monitor and filter Wi-Fi traffic, blocking unauthorized 802.11 usage and attacks while still in the air. Learn about the benefits of the product and what to consider when sel...  Security Spotlight

  • Network security toolbox

    Ping and tracert are great, but sometimes you need a more powerful utility when troubleshooting your network -- especially where security is concerned. Check out these 12 free network security tools -- from scanners to network mappers -- that we've c...  Resource Kit

  • Crash Course: Security patching and upgrades

    Keeping your network safe and secure is a never ending job. Just when you think your defenses can't get any better, a new worm hits the net or a flaw is detected in your hardware. That's where security patching and upgrades come in. Get the latest ne...  Crash Course

  • To block or not to block: Rogue containment methods

    Wireless network monitoring systems are quickly moving from detection alone to detection and prevention. In particular, many now provide options to "block" rogue devices, preventing wireless or wired network access. This tip explores how these contai...  School

  • FastFacts on spyware

    This quick guide will get you up to speed on spyware with a definition, tips on recognizing the warning signs of spyware and advice for removing it from your computer.  Networking FastFacts

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