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The process of worm propagation can be deeply analyzed based on epidemic model according to the different network environment. However, the propagation process of botnet is different from worm, and the infected hosts finish the cooperation according to the different tasks. The hosts used for botnet propagation are only a part of infected hosts, and the botnet propagation is controlled by its master...
The Domain Name System (DNS) is a critical fundamental service of the Internet that provides mapping between domain names and IP addresses. In the past few years, distributed denial of service (DDoS) attacks aimed at core DNS servers have caused huge losses. In this paper, we present a simple, practical scheme that can significantly reduce the extent of the DNS DDoS attacks. Firstly, we support that...
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