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Wireless LANs are open and are vulnerable to various attacks. Techniques available to prevent Wireless LANs from these attacks are not comprehensive. In this paper the authors discuss the drawbacks of the existing security mechanisms and the authors provide a security architecture which uses Mobile agents as a security facilitator. Using this architecture, users have freedom to choose from a variety of encryption techniques presently available, to secure their Wireless LANs. Much attention has been focused recently on the security aspects of existing Wi-Fi also called as (IEEE 802.11 a/b/g) Wireless LAN systems (WLANs).
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