Iptables are used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel.
iptables用于建立、维护和检查Linux内核中的ip数据包过滤器规则表。
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。
For the implementation of users' management, the data packet filter is one kind of very good measure.
实施用户管理，报文过滤是一种很好的措施。
It deeply probes into the packet capture module, packet filter module and protocol analysis module of a IDS.
设计了一个入侵检测系统的基本框架，并深入探讨了其中的包捕获机制、包过滤机制和协议分析机制。
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。
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。
On the base of the studies of traditional In-depth packet filter algorithms, a new algorithm of Pattern matching based on the pre-processed mark is put forward and realized.
在对传统的深度包过滤算法研究的基础上，提出了一种新的基于标示预处理的模式匹配算法，并予以实现。
In addition, the paper has analyzed another problem in the data packet filter technical: rule conflict, and has produced the rule conflict theory research and the searching algorithm.
此外，本文还分析了数据包过滤技术的另一个问题：规则冲突，给出了一个规则冲突的理论分析和查找算法。
Packet filter logging is disabled for this server.
禁用此服务器的数据包筛选器日志记录。
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。
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。
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