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A Mechanism for Detection and Prevention of Distributed Denial of Service Attacks

机译:一种检测和预防分布式拒绝服务攻击的机制

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With several critical services being provided over the Internet it has become imperative to monitor the network traffic to prevent malicious attackers from depleting the resources of the network. In this paper, we propose a mechanism to protect a web-server against a Distributed Denial of Service (DDoS) attack. Incoming traffic to the server is continuously monitored to immediately detect any abnormal rise in the inbound traffic. This detection activates a traffic-filtering rule that pushes down the network traffic to an acceptable level by discarding packets according to measured relative traffic levels of each of the active sources. The proposed mechanism does not affect legitimate users and is thus more effective and robust. We have presented simulation results to demonstrate the effectiveness of the proposed mechanism.
机译:在Internet上提供几种关键服务后,必须监控网络流量以防止恶意攻击者耗尽网络资源。在本文中,我们提出了一种保护Web服务器免受分布式拒绝服务(DDoS)攻击的机制。持续监视到服务器的传入流量,以立即检测入站流量的任何异常增加。此检测将激活流量过滤规则,该规则将根据测量的每个活动源的相对流量水平丢弃数据包,从而将网络流量降低到可接受的水平。所提出的机制不影响合法用户,因此更加有效和健壮。我们已经提供了仿真结果,以证明所提出机制的有效性。

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