Method and system for protecting a computer network against packet floods

摘要

A method of controlling protection of a computing device or computer network. The method comprises directing incoming data packets to the computing device or computer network via a rate limiting system that is adapted to parse the data packets, providing the computing device or computer network with at least one threshold parameter for identifying a data flood condition, the threshold parameter being a function of one or more available computing resources of the computing device or computer network; the computing device or computer network responding to incoming data packets received via the rate limiting system that cause the at least one threshold parameter to be breached by generating event data; generating feedback data based on the event data; transmitting the feedback data to the rate limiting system; and the rate limiting system modifying its behavour according to the feedback data.