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Malicious attackers intended to annihilate the availability of network server with threats such as Transmission Control Protocol (TCP) Synchronized (SYN) Flood. The attackers usually make the server exhausted and unavailable in order to complete the TCP three-way handshake mechanism. Detecting TCP SYN Flood in the Hypertext Transfer Protocol (HTTP) is the main problem in this paper. Anomaly detection...
Transmission Control Protocol (TCP) Synchronized (SYN) Flood has become a problem to the network management to defend the network server from being attacked by the malicious attackers. The malicious attackers can easily exploit the TCP three-way handshake by making the server exhausted and unavailable with spoofed Internet Protocol (IP) address. The main problem in this paper is how to detect TCP...
Transmission Control Protocol (TCP) Synchronized (SYN) Flood has become a problem to the network management to defend the network server from being attacked by the malicious attackers. The malicious attackers can easily exploit the TCP three-way handshake by making the server exhausted and unavailable. The main problem in this paper is how to detect TCP SYN flood through network. This paper used anomaly...
IP spoofing has been exploited by Distributed Denial of Service (DDoS) attacks to conceal flooding sources and localities in flooding traffic, and prevent legitimate hosts into becoming reflectors, redirecting and amplifying flooding traffic. Thus, the ability to filter spoofed IP packets near victims is essential to their own protection as well as to their avoidance of becoming congestion and involuntary...
Distributed Denial-of-Service (DDoS) attacks are a critical threat to the Internet. This paper introduces a novel DDoS defense scheme that supports automated online attack characterizations and accurate attack packet discarding based on game theory. The key idea is to formulate the bandwidth computing as a noncooperative game. And then a high volume of simulations is done to compute the Nash equilibria...
Because DDoS attacks destination servers from computers distributed all over network, it is very hard to locate attacking sources and resist DDoS. In this paper, a new defending mechanism based on registration and authentication against DDoS is proposed. By bidirectional warning messages, it can help locate attacking sources quickly and resist DDoS more exactly. According to the mechanism, all servers...
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