Subnetting to Increase Performance

There comes a time when a network becomes too big and performance begins to suffer as a result of too much traffic. When that happens, one of the ways that you can solve the problem is by breaking the network into smaller pieces. There are several techniques for splitting a network, but one of the most effective techniques is called […]

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Securing Wireless Network Traffic (Part 1)

This article series will examine various techniques for securing Wi-Fi networks. This first article in the series deals with understanding the vulnerabilities associated with wireless networks. Introduction Even though Wi-Fi has been around for many years now, I still periodically receive E-mail messages from people who are wondering about the various security and privacy concerns regarding the use of a […]

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Securing Wireless Network Traffic (Part 2)

The Great Default Password Debate Almost every wireless access point and wireless router has a Web interface that an administrator can use to configure the device to work with their network. This interface is typically accessible by opening a Web browser and going to http://192.168.0.1. Believe it or not, it’s this interface that represents a major threat to a wireless network’s security. […]

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Securing Wireless Network Traffic (Part 3)

Introduction In my previous article, I discussed the debate over whether or not you should change your wireless access point’s default password. In this article, I want to continue the discussion by talking about some of the other security settings that are typically built into wireless access points. The SSID One of the most common security recommendations regarding wireless networks […]

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