The area that we really want to focus on in this chapter is the facet of network security that's unique to wireless networks: the airlink security. CT Limo
Traditionally, if you have a computer network which is wired, the information travels from point A to point out B through those wires. Which means that you have a phychical control over your information. You install them so you know where they're going. You can lock the entranceway and the windows and nobody can get access to them. However with the wireless LAN it can be another story. The information is transmitted with the help of some radio signals. So, means that gone about the physical control and security. The details are actually floating up.
There is no possible way to halt the radio waves emitted through your wireless LAN to step out of the house. But instead it is possible to stop those persons who try and tune your radio waves inside the purpose of hijacking your computer (scrutinize your e-mail, Web surfing habits, and so forth).
There are a few methods that permit you to secure your wireless LAN and provide some airlink security on the network
Introducing Wired Equivalent Privacy (WEP).
WEP is really a defender of WI-FI network and it is based on a encryption system that scrambles (employing an encryption key) all of the data package that is certainly sent over the airwaves network. So, despite the fact that your data is beamed through the side of the house into that snooper's PC, it will arrive in an unreadable form.
Another purpose of the WEP (beside the one which encrypts your data that is transmitted on the airlink) is that it can be used to authenticate a gamers connecting to the entry way. Shortly, you do not need the WEP key only to decrypt your data, but you likewise require it to get your computer connected to the AP in the first place. No matter whether the WEP is enabled or not, if you don't have the key you are unable to connect to the Internet.
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