How to Compare your ISP’s DNS Servers with Others

I was recently faced with a situation where the response time of an ISP’s DNS servers on a network I was supporting seemed to be slower than they should have been. ¬†Fortunately, there is a great tool available that I was able to use to test these DNS servers against the response time of public…

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How to Scan a Network For Port Vulnerabilities

Have you ever wondered how secure a network that you set up actually is? Today I would like to share a tool with you that will allow you to easily scan a network for external port vulnerabilities. This tool is called ShieldsUp! and is web based which allows your scan to take place outside of…

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Create a Batch File to Easily Refresh Network Settings

Program IconIf you are an emerging computer tech and you haven’t already become accustom to using the ipconfig command, you soon will.  This command is most commonly used at the DOS prompt to see a computer’s current IP configuration.  Using this command with three different switches also allows you to refresh a computer’s network settings which can be very useful when troubleshooting network issues.  In the following tutorial, I would like to show you how you can create a batch file that will run this command along with its switches to quickly refresh a computer’s network settings.

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Easily Repair a Corrupt Internet Connection

Have you ever come across a computer that wouldn’t connect to the Internet after removing spyware or other network related software? Or maybe you can connect, but you can only visit certain sites while others time out. This problem is associated with winsock corruption in Windows XP. At this point most people reload the machine.…

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