language Internet security firewalls

OPENVPN源代码，功能强大，在数据链路层做的-OPENVPN source code, powerful, the data link layer to do

该实例通过WinInet编程接口实现了完整的FTP客户程序，其界面类似于CuteFTP 和LeapFTP 其中有两个例子.有一个可以设置防火墙和代理类型,界面没有另一个好.-example through the WinInet programming interface to achieve a complete FTP client, and interface similar to the new CuteFTP with two examples. One can set up a firewall and proxy types, not another good interface.

IPFilter,顾名思义,乃为IP过滤之意思.读懂并集成到你的应用中,应该很有意思-IPFilter, as its name implies, is for the meaning of IP filtering. Understood and integrated into your applications, should be very interesting

专业的VB个人防火墙源码,有举趣的可以-VB professional personal firewall source code, have cited can be Fun

Windows Firewall Ports & Applications Manager -Windows Firewall Ports & Applications Manager

自动vpn拨号，用batch来拨vpn连接，同时按照自己的需要设置路由-Vpn dial-up automatically using batch to dial vpn connection, at the same time according to their own need to set up routing

很好的防火墙框架自动生成程序代码，可以自动生成，省略更多麻烦-Good framework for automatic generation of firewall program code can be automatically generated, omit the more troublesome

枚举局网IP使用VC++编写 大家可以看看哦-enumeration Bureau IP network using VC preparation we can see oh

一个通过icmp包实现通信的小工具，里面详细介绍了，学习网络协议的好东西。

开发Windows 2000 XP下的防火墙-Windows 2000 XP firewall