Using Remote Assistance with Windows Firewall Enabled
This article looks at how to use Remote Assistance in an environment where your desktop computers have Windows Firewall enabled. Topics covered include using Group Policy to create a Remote …
How do I ping a specific port on a remote server?
Question: How do I ping a specific port of a remote server? I need to find out whether the port on the remote server is open. Answer: ping utility does …
Restoring Windows Server to Bare Metal
This article demonstrates how to restore a backed-up Windows Server 2008 R2 installation to a bare metal system that has no operating system installed on it. Introduction Successful disaster recovery …
10 Ways to Troubleshoot DNS Resolution Issues
Introduction We all need proper DNS resolution for our network applications. When it this is not working, what do you do? Let us find out… Let’s face it, when DNS …
Windows 2003 Terminal Services (Part 1)
Terminal Services, known to some as an Admin’s best friend, uses RDP (Remote Desktop Protocol), relies on TCP/IP, and falls under the application layer of the ISO 7-layer model. It …
Windows 2003 Terminal Services (Part 2)
Welcome to part two of my Windows 2003 terminal services article. This section will be of interest to terminal server administrators and clients. It includes a step-by-step guide of how …
Making the Transition to Gigabit Ethernet
The Switch My first step in making the transition to gigabit Ethernet was to shop for a gigabit switch. There are countless Web sites that sell gigabyte switches, but there …
Firewalls 101
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 …
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, …