国家电子政务外网安全等级保护实施指南

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1、国家电子政务外网安全等级保护实施指南ImplementationguideforclassifiedprotectionofNationalE-GovernmentNetwork国家电子政务外网管理中心二○一四年一月目次前言...............................................................................III引言...............................................................................

2、.IV1范围..............................................................................12规范性引用文件....................................................................13术语和定义........................................................................14实施概述.............................

3、.............................................14.1实施原则......................................................................14.2角色与职责....................................................................24.3政务外网定级对象..............................................................3

4、4.4安全等级保护目标..............................................................34.5安全等级保护区域边界..........................................................35网络功能及安全分域................................................................35.1网络功能描述.............................................

5、.....................35.1.1广域网....................................................................35.1.2城域网....................................................................45.1.3局域网....................................................................45.2安全区域划分.............

6、.....................................................45.3功能区域划分..................................................................46网络域间互联要求..................................................................66.1广域网与广域网的互联要求......................................................

7、66.2广域网与城域网的互联要求......................................................66.3城域网与接入局域网的互联要求..................................................66.4城域网与互联网的互联要求......................................................76.5城域网与3G等公众网络互联要求................................................

8、.77定级方法....................................................................