而对目标系统漏洞信息的获取，目前主要是通过网络漏洞扫描工具实现的。
Then it studies the network vulnerability scanning technology, witch includes port scanning, vulnerability scanning and dictionary attacking.
目前，主机安全检测方式主要有利用自动化漏洞扫描工具进行检测和人工检测两种。
At present, there are two main methods of host security detection. One is detection by using automated vulnerability scanning tools, the other is manual detection.
当前，最常用的网络安全评价方法是风险评估方法，以及利用漏洞扫描工具软件来测试和评估系统的安全程度等。
At present, the most frequently used network security evaluating methods are risk evaluating method and leak scanning tool software to test and evaluate the security degree of the system.
漏洞扫描是发现与软件相关的问题的强大工具，比如配置和补丁问题。
Vulnerability scanning can be a very powerful tool in the ongoing struggle to uncover problems relating to software, such as configuration and patching issues.
在前一篇文章中(见参考资料)，我讨论了如何使用漏洞扫描作为工具，以查找宿主和应用程序基础设施中存在的问题。
In previous articles (see Resources), I covered the topic of vulnerability scanning as a tool for finding problems in your hosting and application infrastructure.
网络安全评价是一复杂的系统工程，现有的安全评估工具大都只是用于对网络系统安全漏洞进行扫描、检测。
Network security assessment is a complex system engineering. Most of current security evaluation tools are only used to scan and detect the security vulnerabilities of network system.
它有漏洞扫描器和一系列的安全工具。
It has a Vulnerability Scanner and a series of security tools.
它有漏洞扫描器和一系列的安全工具。
It has a Vulnerability Scanner and a series of security tools.
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