Analyse the existing packet filter technology; realize a filter method.
分析现有的过滤技术，实现了一种过滤方法。
This paper analyzes FTP (File Transfer Protocol) firstly, and then introduces packet filter technology and proxy technology for FTP.
对文件传输协议进行了分析，在此基础上介绍了针对FTP服务的包过滤技术和代理技术。
The researching key point in the paper is the design and realization of the packet filter technology in individual security defense system.
本文研究的重点是个人安全防御系统中包过滤技术的设计与实现。
Packet filter technology can be implemented easily and has high performance on network process, but it has no ability to provide protection to application.
包过滤技术实现简单，网络处理性能很高，但缺乏对应用层的保护。
The technology of packet filter based on IP content is related to the kernel-mode of Window operation system.
基于内容的IP包过滤技术涉及到操作系统的内核态技术。
Stream filter technology has emerged, which combines the merits of packet filter and proxy technology and provides protection to application in the form of packet filter.
流过滤技术应运而生，它结合了包过滤技术和代理技术的优点，以包过滤的外部形态提供对应用层的保护能力。
Stream filter technology has emerged, which combines the merits of packet filter and proxy technology and provides protection to application in the form of packet filter.
流过滤技术应运而生，它结合了包过滤技术和代理技术的优点，以包过滤的外部形态提供对应用层的保护能力。
应用推荐