Authorization and Charging in Public WLANs Using FreeBSD and 802.1x

Authorization and Charging in Public WLANs Using FreeBSD and 802.1x
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使用 FreeBSD 和 802.1x 在公共 WLAN 中进行授权和计费

DOI:
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发表时间:
2002
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通讯作者:
P. Nikander
P. Nikander
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作者:
P. Nikander

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IEEE 802.1x标准为局域网定义了链路层认证协议。虽然最初设计用于在交换以太网环境中对用户进行身份验证,但似乎对802.1x的最重要需求在于无线网络,特别是基于IEEE 802.11b的无线局域网。此外,由于802.1x的核心可扩展身份验证协议(EAP)的灵活性,802.1x似乎可以用于其原始设计者没有预见到的许多用途。在本文中,我们描述了一个基于FreeBSD的开源802.1x实现,并展示了如何使用它来实现不同的授权和收费系统的公共无线局域网,包括预付费,按使用付费收费系统和另一个基于社区成员。该实现是基于netgraph设施,从而在一个令人惊讶的灵活和简单的实现。
The IEEE 802.1x standard defines a link-layer level authentication protocol for local area networks. While originally designed to authenticate users in a switched Ethernet environment, it looks like the most important need for 802.1x lies in wireless networks, especially IEEE 802.11b based Wireless LANs. Furthermore, due to the flexibility of the Extensible Authentication Protocol (EAP), the heart of 802.1x, it looks like 802.1x could be used for many purposes its original designers have not foreseen. In this paper, we describe an FreeBSD-based open source 802.1x implementation, and show how it can be used to implement different authorization and charging systems for public WLANs, including a pre-paid, pay-per-use charging system and another one based on community membership. The implementation is based on the netgraph facility, resulting in a surprisingly flexible and simple implementation.
DOI: --
发表时间: 2008
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作者:
SATO;Hiroyuki
通讯作者: Hiroyuki