The area that we really want to focus on within this chapter is the element of network security that’s unique to wireless networks: the airlink security. CT Limo
Traditionally, when you’ve got a computer network that is certainly wired, the information travels from point A to point B through those wires. This means that you have a phychical control over your data. You install them and you also know where they go. You can lock the threshold and the windows and nobody can get access to them. Though the wireless LAN it really is another story. The details are transmitted with the help of some radio signals. So, means that gone about the physical control and security. The information is actually floating via a flight.
There is no possible way to prevent the radio waves emitted from your wireless LAN to step out of the house. But instead you can stop those persons who try to tune your radio waves within the purpose of hijacking your computer (scrutinize your e-mail, Web surfing habits, and the like).
There are a few methods that permit you to secure your wireless LAN and to provide some airlink security on your own network
Introducing Wired Equivalent Privacy (WEP).
WEP is often a defender of WI-FI network and it’s also based on a encryption system that scrambles (employing an encryption key) all the data package which is sent over the airwaves network. So, although your data is beamed through the side of the house into that snooper’s PC, it will arrive in an unreadable form.
Another objective of the WEP (beside the one which encrypts your data
that is transmitted within the airlink) is that it can be used to authenticate the users 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 attached to the AP in the first place. No matter if the WEP is enabled or otherwise not, if you don’t have the key you are unable to connect to the Internet.
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