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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/27832

Title: Mitigating Active Attacks Towards Client Networks Using the Bitmap Filter
Authors: Chun-Ying Huang;Kuan-Ta Chen;Chin-Laung Lei
Contributors: NTOU:Department of Computer Science and Engineering
Date: 2006
Issue Date: 2011-10-21T02:34:10Z
Publisher: IEEE International Conference on Dependable Systems and Network (DSN-2006)
Abstract: Abstract:With the emergence of active worms, the targets of attacks have been moved from well-known Internet servers to generic Internet hosts, and since the rate at which patches can be applied is always much slower than the spread of a worm, an Internet worm can usually attack or infect millions of hosts in a short time. It is difficult to eliminate Internet attacks globally; thus, protecting client networks from being attacked or infected is a relatively critical issue. In this paper, we propose a method that protects client networks from being attacked by people who try to scan, attack, or infect hosts in local networks via unpatched vulnerabilities. Based on the symmetry of network traffic in both temporal and spatial domains, a bitmap filter is installed at the entry point of a client network to filter out possible attack traffic. Our evaluation shows that with a small amount of memory (less than 1 megabyte), more than 95% of attack traffic can be filtered out in a small- or medium-scale client network
Relation: pp.403-412
URI: http://ntour.ntou.edu.tw/handle/987654321/27832
Appears in Collections:[資訊工程學系] 演講及研討會

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