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Wireless LAN Security




Introduction

Network components


Access Point : Bridges wireless client to the wired Ethernet network

STP (spanning tree, IEEE 802.1d) dynamic topology

Broadcast traffic like a hub


Clients or Stations

Two modes


Ad-hoc : direct connection between two WLAN interfaces of stations


Infrastructure : connection between AP and stations

Technology characteristics


Permanently send beacons (contro ....etc

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INSIDE
What is Wi-Fi
How Wi-Fi works
Security concern
Applications
Advantages and Disadvantages
Conclusion
What is WI-FI
This is wireless fidelity.
Wi-Fi is a wireless network protocol often used for wireless local Area networks (WLANS).
It enables multiple devices to share a single high-speed Internet connection over a distance of about 300 feet.
WLANs are local area networks of PCs without wires.
Data transmission is through air using radio frequency or infrared frequency instead of wires.
....etc

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ABSTRACT
A LAN communicator application is developed that will facilitate secure chatting and file sharing over the network. This Secure LAN Communicator consists of two Modules, Server Module and Client Module. Server module will keep record of all the users, their login name, passwords. It will listen to Clients requests. Client module from other computer will first connect to the Server by providing user name and password. If client is authenticated the Server will send back list of all of the users that are onli ....etc

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SEMINAR REPORT
ON
WIRELESS LAN SECURITY
I. Introduction
a. The 802.11 Wireless LAN Standard
In 1997, the IEEE ratified the 802.11 Wireless LAN standards,
establishing a global standard for implementing and deploying Wireless
LANS. The throughput for 802.11 is 2Mbps, which was well below the IEEE
802.3 Ethernet counterpart. Late in 1999, the IEEE ratified the 802.11b
standard extension, which raised the throughput to 11 Mbps, making this
extension more comparable to the wired equivalent. The 802.11b also ....etc

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Here is a sleep-switch circuit that can be easily converted into a wake-up timer. A dual-mode time setting makes the system versatile. The circuit is low-cost and can function as a precise timer. The heartbeat produced by IC1 is a sharp 1Hz square wave signal having a duty cycle of 50 per cent. This is achieved by using a 4.194304MHz crystal in combination with discrete components around it. The 1Hz output of IC1 is connected to IC2 as well as one of the terminals of switch S1. IC2 is configured as divideby- 6 counter while IC3 further divides ....etc

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SEMINAR REPORT ON WIRELESS LAN SECURITY
Abstract:
a. The 802.11 Wireless LAN Standard
In 1997, the IEEE ratified the 802.11 Wireless LAN standards,
establishing a global standard for implementing and deploying Wireless
LANS. The throughput for 802.11 is 2Mbps, which was well below the IEEE
802.3 Ethernet counterpart. Late in 1999, the IEEE ratified the 802.11b
standard extension, which raised the throughput to 11 Mbps, making this
extension more comparable to the wired equivalent. The 802.11b also
suppo ....etc

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