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DDoSniffer: Detecting DDoS attack at the source agents

机译:DDoSniffer:在源代理处检测DDoS攻击

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Distributed Denial of Service (DDoS) attacks are an important and challenging security threat. Despite the existing defence mechanisms, attackers manage to build large sets of impersonated hosts. Our approach consists in detecting DDoS directly on these hosts. We classify ongoing attacks as connection attacks or bandwidth attacks. The former are defined as attacks that generate connections with four packets or fewer; the latter as attacks that create connections with traffic ratios larger than usual. We developed a software tool, DDoSniffer, which enforces those principles. We show that it is capable of detecting a broad range of attacks within seconds.
机译:分布式拒绝服务(DDoS)攻击是重要且具有挑战性的安全威胁。尽管有现有的防御机制,攻击者仍设法构建大量的模拟主机。我们的方法包括直接在这些主机上检测DDoS。我们将正在进行的攻击分为连接攻击或带宽攻击。前者定义为使用四个或更少的数据包生成连接的攻击。后者是攻击,它们以比正常情况大的流量来建立连接。我们开发了一种软件工具DDoSniffer,该工具执行了这些原则。我们证明了它能够在几秒钟内检测到广泛的攻击。

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