核电厂安全级DCS网关网络信息安全设计研究
doi: 10.13832/j.jnpe.2018.06.0132
Research on Cyber Security Technique of Safety DCS Gateway in Nuclear Power Plants
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摘要: 针对目前核电厂安全级数字化仪控系统（DCS）网关应用工业控制协议Modbus/TCP所面临的信息安全问题，分析协议所缺失的5大信息安全服务，阐述缺失项目所带来的信息安全威胁。最后针对先进核电厂安全级仪控平台NASPIC网关网络信息安全设计出切实可行的集访问控制、完整性校验、加密认证、安全报警为一体的Modbus/TCP信息安全防御措施，该设计措施解决了核电厂安全级DCS网关网络信息安全问题。
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关键词:
- Modbus/TCP /
- 信息安全 /
- 安全级数字化仪控系统 /
- 网关
Abstract: In view of the information security problems that Modbus/TCP protocol is facing, this paper discusses 5 kinds of information security services which are lacked in the protocol, and describes the threats on the information safety brought by the lack of the services. To solve the problems, this paper designs a practical measure in Modbus/TCP information security defense for cyber security in Nuclear Advanced Safety Platform Instrumentation and Control (NASPIC), including access control, integrity check, encryption certification and safety alarm.-
Key words:
- Modbus/TCP /
- Information security /
- Safety DCS /
- Gateway
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