Efficient Logic Circuit for Network Intrusion Detection

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A novel architecture for a hardware-based network intrusion detection system (NIDS) is presented in this paper. The system adopts an FPGA-based signature match co-processor as a core for the NIDS. The signature matcher is based on an algorithm that employs simple shift registers, or-gates, and ROMs in which patterns are stored. As compared with related work, experimental results show that the proposed work achieves higher throughput and less hardware resource in the FPGA implementations of network intrusion detection.