内容：
异构条件下构建工业可信安全环境,需要对网络入侵检测系统(NIDS)进行全方位研究。在异构条件下构建信息行业可信安全环境的研究主要从网络的结构安全、通讯网络、区域边界和安全区域四个方面展开。为此,从抗网络攻击的需求出发,在分析六种工业信息安全技术并详细研究可信网络关于药品领域工业总线入侵检测系统的基础上,针对数据采集与监视控制(SCADA)系统信息安全提出了一种基于嵌入式麒麟Linux操作系统的防护模型,该模型综合使用网络通信技术、防火墙iptables、入侵检测Ssnort以及加密算法等技术,设计并实现了一套服务于分布式控制系统(DCS)工业设备的安全防御平台。基于matlab软件的simulink进行了数据安全传输机制的设计和仿真验证,NIDS顺利通过了试验测试。实验结果表明,所提出的模型有效可行,所构建平台采用的技术具有较高的有效性和可靠性。Heterogeneous conditions to build an industrial trusted security environment, the need for network intrusion detection system (NIDS) for all-round study. The construction of trusted environment in information industry under heterogeneous conditions is mainly from the aspects of structural security, communication network, regional boundary and security area. Based on the analysis of six kinds of industrial information security technology and the detailed research on the information network of data acquisition and monitoring control (SCADA) system based on the industrial bus intrusion detection system of the trusted network, this paper analyzes the information security of data acquisition and monitoring This paper designs and implements a set of services such as network communication technology, firewall iptables, intrusion detection Ssnort and encryption algorithm, and designs a service system for distributed control system (DCS) industry. It is a kind of protection system based on embedded Kylin Linux operating system. Equipment security platform. Based on matlab software simulink data security transmission mechanism for the design and simulation verification, NIDS passed the test test. The experimental results show that the proposed model is effective and feasible, and the technology used in the proposed platform has high effectiveness and reliability.

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