This 10-page article should serve as a simple introduction to network security. The field itself is too massive to cover in any sort of article, and the amount of cutting edge research that goes on really defies comprehension.
Some of the most intelligent minds work in the security field because it can be a very challenging and stimulating environment. If you like to think out-of-the-box and are the sort of person willing to devote large amounts of your time to reading and questioning why things happen in a particular way, security might be a decent career option for you.
Even if you're not interested in it as a career option, every admin should be aware of the threats and the solutions. Remember, you have to think like them to stop them !
If you're interested in network security, we highly recommend you read through the networking and firewall sections of this website. Going through the whole site will be some of the most enlightening time you'll ever spend online.
If you're looking for a quick fix, here are a few of the more important areas that you might want to cover:
Introduction to Networking
Introduction to Firewalls
Introduction to Network Address Translation (NAT)
Denial Of Service (DoS) Attacks
Locking down Windows 9X
Introduction to Network Protocols
Also check out the downloads section where you will find lots of very good security and general networking tools.
We plan on putting up a lot of other security articles in the near future. Some will be basic and introductory like this one, while some may deal with very technical research or techniques.
As always feel free to give us feedback and constructive criticism. All flames however will be directed to /dev/null.
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