上海鼎伟公司内部网络安全分析与改进
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毕业设计(论文)报告纸
摘要
随着计算机网络的快速发展和广泛应用,整个社会人们的生活越来越依赖于网络。网络在给
人类活动带来高效、便捷的同时,也带来了许多挑战,其中最棘手的问题就是网络安全问题。它
不仅给各企业单位造成了重大经济损失,而且严重的危及国家和地区的安全。面对猖狂的黑客行
径和网络犯罪,如何保护计算机网络的安全,已经成为必须付诸行动的事情,也成为企业迫在
眉睫要解决的问题。上海鼎伟公司内部网络形成己有几年的时间了,由于技术的陈旧和设备的落
后,网络造到多次的攻击,给企业和员工带来了很大的损失,所以改造鼎伟公司内部网络已成
为势在必行的事,本方案就是在这样的情况下开始实施的。
本论文首先针对当今社会中存在的网络安全技术进行分析,了解网络发展的现状。提出适合
上海鼎伟公司内部网络改造的方案,主要在原来网络基础上从计算机病毒控制、垃圾邮件过滤、
防火墙架设、访问控制权限等几个方面对鼎伟公司内部网络进行安全设计,能够很好的解决网络
中存在的问题。全面考虑网络安全中需要注意的问题,然后根据方案进行具体的实施,最后分析
网络安全发展新的趋势,有助于网络的不断改造和维护。希望有更安全、更便捷的企业内部网防
护产品出现,更多的减少网管人员的工作量。
关键词:网络安全,垃圾过滤,访问控制
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毕业设计(论文)报告纸
Abstract
Along with the rapid development of the computer network and the widespread application , the
whole society the life of people rely more and more on the network. Network in to human activity
brings efficient and convenient at the same time , also brought many challenges , one of the most
difficult issue is the problem of network security. It not only to the enterprise unit caused a great
economic losses , and serious endanger national and regional security. Face rampant ways and the
hackers network crime, how to protect the security of the computer network, has become a must be
put into action thing, also become the enterprise urgent problems to solve. HaiDing way on internal
network has formed a few years time , because the old technology and equipment backward , the
network to DuoCi attack made , to the enterprise and employees bring great losses , so the reform
internal network way has become imperative of matter, this plan is in such cases began to carry out.
This paper firstly exist in today's society of network security technology to analyze and understand
the present situation of the development of the network. This paper proposes some HaiDing way on
internal network innovation plan , mainly in the original based on network from a computer virus
control , spam filters , firewall , constructing the access control privileges aspects of ding wei
internal network security design , can be a very good solution to solve the problems existing in the
network. Overall consideration in network security issues need to be paid attention to , and then
according to the concrete implementation plan, in the final analysis, network security development
new trends, and to help the network improvement and maintenance. Hope to have more security ,
more convenient enterprise Intranet protection product appear , more reduce network management
personnel's workload.
Keywords: Network security, garbage filtering, access control
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毕业设计(论文)报告纸
目录
目录.......................................................................III
1 绪论......................................................................1
1.1 课题研究背景.......................................................................................................................1
1.2 课题的主要内容....................................................................................................................1
2 鼎伟公司网络安全现状.......................................................2
2.1 鼎伟公司的简介....................................................................................................................2
2.2 网络系统与安全现状............................................................................................................2
2.3 网络安全威胁分析................................................................................................................2
3.网络安全的解决方案设计......................................................4
3.1 病毒防治方案设计................................................................................................................4
3.1.1 病毒防治应考虑的因素.............................................................................................4
3.1.2 网络防病毒整体解决方案设计.................................................................................5
3.2 建立垃圾邮件过滤系统方案设计........................................................................................5
3.3 防火墙方案设计....................................................................................................................6
3.3.1 采用的防火墙技术.....................................................................................................6
3.3.2 异构防火墙的部署.....................................................................................................7
3.4 访问权限的控制方案设计....................................................................................................8
4. 网络安全方案的具体实施.....................................................9
4.1 病毒防治................................................................................................................................9
4.1.1 主动服务病毒防治的工作方式.................................................................................9
4.1.2 主机防护端结构.......................................................................................................10
4.1.3 局域网管理者结构...................................................................................................10
4.2 垃圾邮件过滤......................................................................................................................11
4.2.1.服务器设置...............................................................................................................11
4.2.2 垃圾邮件过滤设置实施...........................................................................................11
4.3 防火墙架设及实施..............................................................................................................12
4.4 建立严格的访问控制权限..................................................................................................14
4.4.1.防火墙网络访问控制...............................................................................................14
4.4.2,文件目录式访问控制...........................................................................................15
4.4.3 建立网络安全管理制度...........................................................................................15
5 结论.....................................................................17
参考文献....................................................................18
附录........................................................................19
谢辞........................................................................20
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摘要:
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毕业设计(论文)报告纸摘要随着计算机网络的快速发展和广泛应用,整个社会人们的生活越来越依赖于网络。网络在给人类活动带来高效、便捷的同时,也带来了许多挑战,其中最棘手的问题就是网络安全问题。它不仅给各企业单位造成了重大经济损失,而且严重的危及国家和地区的安全。面对猖狂的黑客行径和网络犯罪,如何保护计算机网络的安全,已经成为必须付诸行动的事情,也成为企业迫在眉睫要解决的问题。上海鼎伟公司内部网络形成己有几年的时间了,由于技术的陈旧和设备的落后,网络造到多次的攻击,给企业和员工带来了很大的损失,所以改造鼎伟公司内部网络已成为势在必行的事,本方案就是在这样的情况下开始实施的。本论文首先针对当今社会中存...
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作者:李琳琳
分类:高等教育资料
价格:15积分
属性:21 页
大小:641.57KB
格式:DOC
时间:2024-10-12

