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Network monitoring with Nagios, part one
Bernard Golden discusses the usefulness and architecture of open source network monitoring tool Nagios. Tip
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TCPdump: Qualify traffic and create a traffic collection statement
In this excerpt from The router is the firewall, part 3 -- Configuring CBAC, router expert Michael J. Martin explains how to use the popular open source tool TCPdump to audit network traffic. Tip
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Check IT List: Network appliances for small offices
As the supply and demand for network and security tools increases for small and midsized businesses, so do the options for SMB network appliances. Ed Tittel offers advice for your network setup. Tip
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Power over Ethernet for network architects
David Jacobs discusses how Power over Ethernet (PoE) is defined by the 802.3af standard, then looks at how PoE can help network architects simplify power distribution and potentially save money. Tip
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Intrusion prevention devices
Hackers are constantly at work developing new ways to attack your network, so guarding against these attacks requires eternal vigilance. Intrusion prevention devices are one essential element of defense. Find out how they work, what challenges are fa... Tip
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Implementing QoS as part of a complete application acceleration solution
Despite reports to the contrary, QoS is still essential for guaranteeing the quality of application delivery and ensuring predictable behavior across an optimized WAN. In this tip, Dr. David Hughes explains the best way to implement QoS in conjunctio... Tip
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Updating your Windows network
Changes made to Microsoft's Windows Server Update Services (WSUS) provide greater update functionality at a reasonable cost. Tip
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How to manage Exchange Server remotely on Windows 2003
There are two different methods you can use to remotely manage your Exchange servers -- remote desktop or an HTML-based terminal server session. Learn about both methods and the pros and cons of each. Tip
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Five essentials of a patch management solution
Learn the key criteria you need to consider when purchasing a patch management solution to ensure it is effective. Tip
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Numbers lie: Your NIC could be killing your network performance
Truth in advertising -- it's important even in networks. Let's take a quick look at what should be possible from a Layer 3 data payload perspective based on the Layer 2 frame rate. Tip
Network Management Strategies for the CIO