这是一个使用VC开发的简单的防火墙软件，很适合初学者学习

这是加密文件或字符串的源代码.安全性还可以.大家可以看看.-This is the document or string encryption source code. Security can also. We can look at.

用VC开发Win2000_XP下的防火墙- Develops under Win2000_XP with VC the firewall

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

不错的包过滤防火墙代码-good packet filtering firewall code

一个简单的防火墙程序- A simple firewall procedure

firewall，基于应用层，费尔防火墙源代码-firewall, based on the application layer, Fil firewall source code

一个IP数据包过滤工具库源码，含有一个IPMonitor程序，可以查看所有IP包头信息。对编写包过滤防火墙很有用- A IP data packet filters the tool room source code, includes a IPMonitor procedure, may examine all IP Baotou information. To compiles the package to filter the firewall to be very useful

网络过滤工具，能自己添加需要限制的内容。-Internet filtering tools that can add the need to limit their own content.

该程序透过服务器sock5代理访问防火墙外的程序，这里通过运行server程序来模拟远端。不过该实例的运行需要有防火墙支持！--Program which visit program outsides of firewall by sock5 proxy in server.IT emulates remote node by running server program. and firewall is needed when running the instance

基于windows ndis的网关防火墙-based on the gateway firewall