好象是windows的防火墙源代码，我不喜欢ms的东东，所以没有研究他的东西，那位有兴趣的看一看!...

一个很好的C++帮助文档，很值得学习哦，如果你是一个新手的话，推荐你下载下来看看！-A good C++ Help document, is worth studying Oh, if you are a novice, then recommend you download it and see!

又一个防火墙源代码，是用VC做的，功能虽然比较简单，但对初学者有用吧-also a firewall source code is the use of VC do, even though it is relatively simple, but it useful for beginners

Linux IP包过滤器 -Linux ip packets filter

KingSocket防火墙开发包 v2.0-KingSocket firewall Development Kit v2.0

只要系统是win2k以上的,开启系统内的防火墙，学习防火墙编成 -win2k as long as the system is more open system within the firewall, the firewall into learning

一步 的,慢慢学,你就可以成为一名入门的红课,大家加油啊,努力学习!-it will tell you how to be a rudimental hacker ,if you read and learn step by step.Come on

C＋＋ 编写的防火墙启驱动，方便支持二次开发-prepared by the firewall Kai Drive to facilitate the development of secondary support

windows下的防火墙，支持对协议，源/目的端口的过滤。可以设置阻止列表。-under the windows firewall, support for the agreement, the source/destination port of the filter. The list can be set to stop.

一个防火墙的源码，比较适合学习包过滤-a firewall source code, the more appropriate learning packet filtering

防火墙类网站集锦-firewall website Collection