Wireless LANs, WLANs are now deployed at great pace both on company premises and in public hot spots.
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| Submitted: Mon Dec 22 2003
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Abstract Wireless LANs, WLANs are now deployed at great pace both on company premises and in public hot spots. Having greatly improved the mobility of professional users, this advantage obviously has also created new threats to security. Accordingly, new needs for authentication and authorization and possibly accounting and charging ("AAA") of users did evolve. In this context, the IEEE 802.1x standard provides a framework for such AAA tasks. Originally designed for wire-based LANs, it is now extensively used for wireless LANs such as the IEEE 802.11 family of wireless LANs. 802.1x uses the IETF Extensible Authentication Protocol (EAP), the latter supporting multiple authentication methods. This paper describes a proposal to use 802.1x based AAA-functionalities to realise public WLAN usage scenarios such as "closed community membership" and "pre-paid, pay-per-use". Every user of computer is being affected due to rapid change in sizes of software. According to one survey the time is not...

