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Technique of defending against network flooding attacks using a connectionless protocol
Technique of defending against network flooding attacks using a connectionless protocol
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机译:使用无连接协议防御网络泛洪攻击的技术
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摘要
The invention prevents server overload and possible server crippling due to a flooding of connectionless datagrams caused by intentional attack or otherwise. In response to a datagram from a host for a specified port, the number of datagrams already queued to the port from the host is determined. If this number exceeds a first threshold, the datagram is discarded. In the preferred embodiment, the threshold is determined by multiplying a percentage P by the number of available queue slots remaining for the port.
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