本文设计并实现了基于粗糙集多传感器和免疫的入侵检测系统新模型,分析了基于粗 糙集理论的规则生成算法,利用多传感器提高了入侵检测系统的鲁棒性。给出了基于人工免疫技术的算法描述。通过实验证明这个新模型能够较大的降低漏报率和误报率,同时具备很好的对已知和未知攻击模式的防御能力。 关键字:粗糙集理论;多传感器;人工免疫;入侵检测系统;网络安全 Abstract: This paper designs and develops a new model of Intrusion Detection System Based on Rough Set Multi-Sensor and Artificial Immune, analyzes rules genetic algorithm based on rough sets theory ,improves the robustness of IDS by Multi-Sensor, the description of algorithm based on artificial immune is given, The experiment result shows that model can reduce the rate of missing report and misinformation greatly ,at the same time ,it has good detection rate for old and new at tacks. Keywords: Rough Set;Multi-Sensor;Artificial Immune;IDS;Network Security