【作者】 王毅；

【导师】 陈恭亮；

【作者基本信息】 上海交通大学 ， 电子与通信工程， 2008， 硕士

【摘要】 随着计算机网络的发展,信息化已成为企业发展的必然趋势;电信运营商一级的公司,对于网络和办公自动化系统的依赖性非常强,一个安全的、稳定可靠的网络系统已经成为上海移动公司日常办公和业务应用的基础支撑体系。由于计算机网络具有连接形式多样性、网络体系结构复杂性,终端分布不均匀性和网络的开放性等特征,致使网络易受黑客、病毒、垃圾邮件等的干扰和攻击,所以如何保证我公司的Intranet网络的安全成为一个重要的问题。本文的主要内容就是,设计和建设一套适合本行业和本公司自身特点的网络安全防护体系,该防护体系能解决上海移动公司Intranet网络的各种特殊问题和故障,能满足上海移动公司自身Intranet网络的需要和发展。本文通过分析上海移动公司Intranet网络的特点和公司的Intranet网络在实际运行过程中出现的一些故障和问题,例如使用全功能的防火墙对网络进行安全防护给公司内网造成的问题;防火墙无法独立应对内网发起的攻击;安全设备无法阻止病毒入侵内网,内网病毒泛滥和垃圾邮件偶尔大规模流入等,并通过分析问题出现的原因和探索问题的具体解决方案,从而研究如何设计建设和完善适合上海移动公司Intranet网络自身特点的安全防御体系,保障公司业务顺利开展。技术与管理是相辅相成的,本文将两者结合在一起阐述,说明只有将管理和技术紧密结合,才能有效保障企业网络的安全。更多还原

【Abstract】 Along with the development of computer network, information become the goal of the corporation. Modern corporation lean up network more and more, a secure and stabilization network become the basic support system of the company.But because the network is multiformity and open, the system of net is complexity, and the terminal distributing is asymmetry, lead the net liable to attack of the virus, how to protect the safety of the Intranet is a very important problem.The content of this article is how to design and build a net-safty-defending system which can suit company self. This system can solve the problems and troubles of SHMC, and can suffice the development of SHMC’s Intranet.This article analyse the trouble and problem of our company’s Intranet in running, these troubles include protect security of Intranet by using all-around Firewall only, the firewall can not breast the attack coming from the inside, equipment can not prevent virus from entering the inside, and trash inflow now and then, and research how to by setting up a secure Intranet for corporation by analyzing the cause of these problems and studying solve scheme of these problems to prevent unlawful user from thieving , forging and destroying data by the bug of network.Also, technology and manager supplement each other. This article try hard to explain both of technology and manager, let the reader realize only by combining the technology and manager, we can protect the safety of the company Intranet .更多还原