The Easy guide to making a robots.txt file. If you have a website you really need to have a robots.txt file. It gives search engine spiders specific commands and it is easy to use and easy to maintain. Here is an easy guide to a robots.txt file in five minutes.

Most of us don't make a real difference between worm, virus and Trajan Horse or refer to a worm or Trajan Horse as a virus. All of us know all are malicious programs that can cause very serious damage to PC. Exist differences among the three, and knowing those differences can help you to better protect your computer from their often damaging effects.

Heres my list of the ultimate apache htaccess code snippets and examples that I use all the time. I tried to keep them extremely minimalistic.

In this paper I will try to provide you with a basic understanding of
errors, possible vulnerabilities because of those errors and their
exploits. t is in no way meant to be a full and complete guide to
exploits /vulnerabilities but hopefully it will help you learn to recognize
possible vulnerabilities and how to deal with them.

Here's the scene: A couple dozen professionals at a big advertising agency quietly type away at computer screens near each other, in an open room devoid of office walls and partitions. An occasional laugh punctuates the silence. But no one is talking. They are communicating with one another almost exclusively through instant messaging (IM).