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�������պ����ѧѧ�� 2004, Vol. 30 Issue (11) :1033-1037    DOI:
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����һ1, ������1, κ��1, ��Ρ2*
1. ���ִ�ѧ �������ѧ�뼼��ѧԺ ���� 130012;
2. �����к�ʮ������Ѫվ�� ���� 120000
Study of new measure to recover and control DOS/DDOS atta ck
Fang Zhiyi1, Zhang Meiwen1, Wei Hua1, Wang Wei2*
1. Department of Computer, Jilin University, Chang Chun 130012, China;
2. The Center of Blood Station, Jin Zhou 120000, China

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ժҪ DOS(Denial\|of\|Service)/DDOS(Distributed Denial\|of\|Service)���繥������������ ��Ŀ������鷳,���һ����ظ����뱻����Ŀ�깲���������������.�����������罫һЩ���㹦�����ӵ�ÿ���м�ڵ�(·�ɽڵ㡢��������),���һ�������Ϳ���DOS/DDOS�����Ļ�����ϵ,���������ϵ��Ҫ��������3������ :���ڼ�Ⱥ���Զ�����Ϳ��ƻ��ơ����ڼ�Ⱥ������ͨ��׷�ٻ��ƺͻ��ڹ�����Ŀ��ƺ��� ����.���ڼ�Ⱥ���Զ�����Ϳ��ƻ��ư�����DOS/DDOS���繥����Ⱥ�ļ�����Լ��������� ���������Ʋ���.���ڼ�Ⱥ������ͨ��׷�ٻ������ǰ���Щ������Ⱥ����ͨ������������� �㲢ʹ֮����ص��������Ʋ���.���ø�ϵͳ,���������ܹ���Ч��Ԥ���Ϳ���DOS/DDOS ����.
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�ؼ����� DOS/DDOS����   ��������   ��Ⱥ     
Abstract�� DOS(denial\|of\|service)/DDOS(distributed denial\|of\|service) network attack no t only causes harm to attacked target, but also disturbs other flows that share the same network with attacked target. By adding computing into every bosom node (route, switch), a mechanism system to recover and control DOS/DDOS attack which based on active network was advanced. The mechanism system was composed of three mechanisms: cluster-based automatic identification and control mechanism, cluster-based active notify trace mechanism and administration domain based control cooperation mechanism. Cluster-based automatic identification and control mechanism included identification policy of attack cluster and rate-limit policy of controlling them. Cluster-based active notify trace mechanism will notify the characteristic of attack cluster to upstream active node and activate local rate-limit policy. Effective recovery and the control o f DOS/DDOS attack can be realized by using this system at lab.
Keywords�� DOS/DDOS attack   active network   cluster     
Received 2004-06-25;
About author: ����һ (1957-),��,���ֳ�����,����, zyfang@public.cc.jl.cn.
����һ, ������, κ��, ��Ρ.�����Ϳ���DOS/DDOS�����·������о�[J]  �������պ����ѧѧ��, 2004,V30(11): 1033-1037
Fang Zhiyi, Zhang Meiwen, Wei Hua, Wang Wei.Study of new measure to recover and control DOS/DDOS atta ck[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2004,V30(11): 1033-1037
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2004/V30/I11/1033
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