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Introduction to scripting in Excel

 I have only recently discovered that I could create Excel spreadsheets using VBScript scripts, but I knew I could embed tabs into my output and import tab-delimited files into Excel....

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Scripting Excel Part 1

Over the years, I’ve written numerous VBScript scripts that used Excel for different purposes. I’ve found myself searching for segments of code from previously written scripts to reuse in my...

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Practical Scripting Part 1: The Basics

Being able to automate daily administration tasks using scripts can make the life of an admin a lot easier. But why learn to script? Aren't there hundreds of scripts you...

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Practical Scripting Part 2: Cleaning Up

Last month I began a new series of articles here on WindowsNetworking.com intended to demonstrate how to manage different aspects of Windows networks using scripts. The first article introduced some...

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Managing Windows Networks Using Scripts - Part 1: The Basics

Being able to automate daily administration tasks using scripts can make the life of an admin a lot easier. But why learn to script? Aren't there hundreds of scripts you...

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Managing Windows Networks Using Scripts - Part 2: Cleaning Up

The first article introduced some basic scripting concepts like objects, methods, and properties, and the goal of the article was to write a simple script that changed the IP address...

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More than 2% of Internet Traffic Malicious
Written by David Noel-Davies   
Thursday, 10 April 2008
2% of overall internet traffic is malicious according to estimates by Arbor Networks. Most of the attacks are Distributed Denial of Service (DDoS) related meaning that attackers use a network of computers across the globe to simply send a large volume of requests to the victim server, essentially flooding it with s0 much traffic that it can't keep up. The victim ultimately stops responding or goes down, creating a interruption in service for non-malicious users.

Arbor says that it is seeing 1,300 such attacks per day, and that spikes in the level of DDoS attacks can account for up to 5% of overall traffic.

Email comprises around 1-1.5 percent of internet traffic, notes Arbor.
 
Crimeware as a Service (CaaS)
Written by David Noel-Davies   
Thursday, 10 April 2008
The Register reported last week on a what they refer to as 'crimeware as a service' or 'CaaS.' It's an interesting read since it proves that there is increasing organization behind collecting and distributing vulnerability information online. In this case, it's a service, published by black hats, that contains username/password data for some 8,700 hundred Fortune 500 websites that can be used by attackers to disrupt, deface, or destroy some of the most popular websites on the internet.
 
Are you a network cowboy?
Written by David Noel-Davies   
Thursday, 10 April 2008
You don’t have to have the ten-gallon hat and spurs to be a Cowboy (or Cowgirl) Systems Administrator. You just have to have the appropriate attitude. Here are some indicators on how you can determine if your attitude towards network management is a wee bit cavalier:
  • You have a post-hoc approach to pre-emptive maintenance.
  • Your server’s change logs consist of post it notes. To shake things up a bit, you use blue post-its on Wednesdays!
  • You’ve set the password expiration policy to never because users kept forgetting their new passwords. You’ve set the password retry policy to the highest number possible because you are tired of telling people to switch off the CAPSLOCK.
  • You’ve set your own password to never expire because you can’t be bothered changing it every two weeks.
  • Your patch testing routine involves deploying updates to users immediately and hoping that nothing important will break.
  • If something important breaks, it is your organization’s developers that are at fault. They should have tested those patches before you deployed them!
  • The only time you actually test whether a backup was properly taken is when you have to perform a restore.
  • If a problem arises, you reboot the server before you check the Event log.
  • If an item in the event log is serious it will be marked with the red icon. Yellow items in the event log are optional.
  • Your disaster Recovery plan hasn’t got past the first two words on the cover of the Hitchhiker’s Guide to the Galaxy.
 
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