随着企业内部网络的日益庞大及与外部网络联系的逐渐增多，一个安全可信的企业网络安全系统显得十分重要。
Is day by day huge along with the enterprise interior network and with exterior network contacting gradual increase, a security credible enterprise network safety system appears very important.
由网络攻击而带来的经济损失也越来越严重，这促使人们不得不越加重视对网络安全防御体系及相应技术的研究。
The economic losses brought with network attack is also serious, this makes people have to aggravate the more regard the research for network safe defence system and corresponding technology.
随着计算机及网络技术广泛应用于图书馆，使得图书馆信息网络安全问题成了不容回避的重要课题。
With the wide application of computer and network technology on libraries, the security problem of the library information network becomes unavoidably more and more important.
该文从计算机的网络安全及防御措施来展开，指出了常见的四种网络攻击及其防御措施。
This text launch from network safety and defense measures of calculator and pointed out familiar of four kinds of network attack and its defense measures.
本文浅议网络不安全的表现特点，威胁网络安全的因素，安全管理及对策。
This paper discusses manifestations of network unsafety, unsafe threatening factors, safe management and countermeasures.
网络管理及网络安全对任何网络都是必须考虑的，相应的这方面的设备也就成为当前研究的热点。
With the continuous development of Internet, Network Management and Network Security have been regarded as an important thing more and more, which people have to be considered.
对开放性互联网络的网络安全进行了介绍，对公钥密码体制和OSI的网络安全体系结构进行了详细的分析，并找出存在问题及解决方法。
This paper introduces the security of interconnection network. The open cipher and OSI network security structure are analysed. The existing problems are discussed and solved.
本文简述了网络安全问题的定义及解决策略和安全技术，并提出了如何建立网络的安全管理机制。
This paper summarizes network security definition and the solution policies and the security technology. It also introduced how to construct the security management protocol of a computer network.
因此，在目前研究和使用网络监听技术及相关工具，对于防护网络安全、打击网络犯罪具有重要的现实意义（略）。
Therefore, studying and using network-monitoring technology and the correlate tool in present, it is important and practical significance for protecting network security and attacking network crime.
因此，在目前研究和使用网络监听技术及相关工具，对于防护网络安全、打击网络犯罪具有重要的现实意义（略）。
Therefore, studying and using network-monitoring technology and the correlate tool in present, it is important and practical significance for protecting network security and attacking network crime.
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