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摘要:
To simplify the construction of an intrusion detection system, a sensor component for network-based intrusion detection system is designed and implemented. This component can be used to grasp data packet from network, to reconstruct the IP packet, to reestablish the TCP layer data flow and to restore data of application layer. Based on the module designing method, the component is highly reusable and expandable. With the support of "loading according to configuration" mechanism, users can readily add to or remove a module from this component. This mechanism enables users to customize the component on the demand of specified requirements so as to make the system more efficient.
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