Network Management Strategies for the CIO
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How to avoid the WPA wireless security standard attack
The latest crack in wireless Internet security, specifically, the Wi-Fi Protected Access (WPA) security standard, can threaten the safety of enterprise networks and company information or data. This tip shows the best way to avoid being victimized fr... Tip
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Know the risks of running industrial control systems on IP networks
More IT organizations are starting to run industrial Supervisory Control and Data Acquisition (SCADA) systems over the corporate network to save money and to boost bandwidth. However, these industrial control networks are extremely sensitive. Proper ... Article
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Calculating subnets for IP addresses in IPv6
Understand how subnetting in IPv6 differs from that of IPv4 and what you need to do in order to calculate the subnet of an IP address in IP version 6. Ask the Expert
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How to calculate subnet masks in IPv6
Find out from our IPv6 (Internet Protocol Version 6) expert whether or not calculating a subnet mask in IPv6 is different than calculating a subnet mask in IPv4. Ask the Expert
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IP addressing in IPv6
Understand the differences between network IP addressing in IPv6 and IPv4. Our expert, Silvia Hagen, explains the advantages and disadvantages of calculating IP addresses for each version. Ask the Expert
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More than 1 million DNS servers still vulnerable to Kaminsky
More than 1.3 million DNS servers are still exploitable by the Kaminsky vulnerability, according to new research from vendors Infoblox and DNSstuff. Article
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How to configure Cisco's 3750 Layer 3 switch for fallback IOS booting
Our switching expert explains how to configure your Cisco 3750 Layer 3 (L3) switch to automatically boot your system from the IOS kept on the TFTP server, in this response on fallback booting. Ask the Expert
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TCP/IP (Transmission Control Protocol/Internet Protocol)
TCP/IP (Transmission Control Protocol/Internet Protocol) is the basic communication language or protocol of the Internet Definition
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Can IP addresses of LANs that make up a WAN be the same?
Our networking fundamentals expert answers whether the IP addresses of different physical locations (LANs) making up a WAN can be the same address. Find out if networks with the same IP address will overlap and create routing problems, in this expert... Ask the Expert
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Why do we need IP security at the network layer?
Learn why IP security (IPsec) is needed at the network layer -- otherwise known as Layer 3, or L3, of the OSI model. Our enterprise networking security guru explains. Ask the Expert