Firewalls 101
Microsoft Geek
Firewalls have become an indispensable part of computer security, but they can be intimidating for a new administrator. In this article I will explain the inner workings of a firewall…
2012
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…
Understanding DNS Recursion
How recursive DNS queries work. The basic concept of DNS name resolution is fairly simple. Every Web site is assigned a unique IP address. In order to access a website,…
Deploying Microsoft Windows Server Update Services
What is WSUS? Simply put, Microsoft Windows Server Update Services (WSUS) is the Microsoft provided solution for enterprise patch management. Using WSUS, network administrators can manage and deploy software updates…
Understanding Windows Logon Options
Introduction There seems to be some confusion as to how Windows logons work. I can understand the issues, as the overall concepts are a bit confusing. Although the logon process,…
7 Steps To Successfully Troubleshoot A Windows Network
In this article, I’ll run through the 7 steps you should take to successfully troubleshoot a Windows network. I’ll cover what you need to check on your local PC and…
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…
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…
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…
Securing Wireless Network Traffic (Part 4)
Introduction In my previous article, I discussed the importance of a wireless access point’s SSID and I also talked about MAC address filtering. In this article, I want to continue…