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地震 ›› 2001, Vol. 21 ›› Issue (4): 148-152.

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防震减灾技术系统网络应用中的网络安全

周园, 李卫东, 岳新宇, 田力   

  1. 中国地震局分析预报中心,北京 100036
  • 收稿日期:2001-07-04 修回日期:2001-07-17 出版日期:2001-10-31 发布日期:2022-06-02
  • 作者简介:周园(1962-),女,北京市人,工程师,主要从事计算机应用及网络系统等研究。
  • 基金资助:
    “九五”中国地震局科研攻关项目(95-02-01)

Security of network of National Center of Earthquake Disaster Mitigation in Internet application

ZHOU Yuan, LI Wei-dong, YUE Xin-yu, TIAN Li   

  1. Center for Analysis and Prediction, CSB, Beijing 100036, China
  • Received:2001-07-04 Revised:2001-07-17 Online:2001-10-31 Published:2022-06-02

摘要: 扼要介绍计算机网络安全结构及Internet网络应用中的数据服务。国家防震减灾技术系统网络中心计算机网络的组成及安全。介绍了Internet提供的服务;网络中心与Internet的2个出口以及它提供的DNS、FTP、E-MAIL、WWW等服务。重点介绍网络中心的防火墙安全及防火墙的过滤作用。

关键词: 网络结构, 网络安全, 网络服务, 分组过滤

Abstract: This paper briefly describes the security structure of the computer network, and the service problem of the Internet in the NC-CSB (National Center of China Seismological Bureau). This NC-CSB network has been divided into the local network and external network by router and firew all service. The local network access Internet through Proxy service. AC-CSB IBM firew all software was installed in IBM RS/6000 43P workstation. It has 3 Ethernet Adapters. One is for local network; the others are for external network. NC-CSB has two Internet ports; their supports in the Internet services follow packet filtering by firewall for the network security.

Key words: Network structure, Network security, Network service, Packet filtering

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