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This paper presents an improved algorithm for detecting the SYN flooding attacks. The algorithm is based on the characteristics of the network processor IXP2850's hardware and software framework. It improves the typical method that is based on checking the received SYN segments twice from the same source. The improved algorithm will label the segments first, and then verify them to determine whether...
With the use of S SIP (Session Initial Protocol) diffusely, the protocol's security problems have gradually emerged, in which DoS (Denial of Service) attack is the most serious. This paper analyzes how to improve the detection mechanism's performance of DoS attack in SIP. The principle based on balanced message number is proposed. At the same time, we design a plugin, which we name the SIP DoS attack...
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