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Title:
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PROXIMITY-BASED NETWORK PACKET FILTERING FOR IEEE 802.11 WIRELESS DEVICES |
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Author(s):
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Chris Wullems , Kevin Tham , Mark Looi |
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ISBN:
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972-98947-3-6 |
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Editors:
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Nuno Guimarães and Pedro Isaías |
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Year:
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2004 |
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Edition:
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Single |
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Keywords:
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Context-aware, Network Security, Ubiquitous, Wireless, Packet-Filtering . |
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Type:
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Full Paper |
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First Page:
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1254 |
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Last Page:
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1261 |
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Language:
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English |
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Cover:
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Full Contents:
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click to dowload 
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Paper Abstract:
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Wireless LAN security has been a hot-topic of discussion since the discovery that the WEP encryption standard is not adequate enough to protect a wireless LAN access from being compromised. This paper introduces a novel proximity-based packet filtering architecture that extends the Linux netfilter system to support packet filtering based on the proximity of a users wireless LAN device to a monitoring point. A method of transparent 802.11 wireless LAN location acquisition is detailed as well as the methods used to obtain the raw signal data and the pathloss model utilized for distance calculations. This context information is translated to the logic for dynamically generating the access control list of the packet filtering firewall. The performance of the pathloss model and benchmark results of the implemented prototype system is provided. |
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