传统的被动防护已不能适应当前的安全形势，主动性网络安全检测评估理论应运而生。
The traditional passive defense can not meet the current security situation, so proactive network security test and evaluation theory emerges as The Times require.
提出了计算机网络安全检测技术及其工作原理和逻辑结构，并对部分检测工具进行了详细探讨。
In this paper, logic architecture and work principle of security technologies of computer network are presented, and then some detection tools are discussed.
确实，入侵检测和Snort的使用都超越了Web站点本身，延伸为更广泛的网络安全问题。
It's true that both intrusion detection and Snort usage extends well beyond Web sites and into larger network security issues.
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