是一个利用ICMP协议进行通信的程序,为了能穿越防火墙,利用了ACK技术....

防火墙的使用和原理-firewalls and the use of Principle

防火墙编程之封包过滤 代码(内附说明) 希望能通过申请!我为人人,人人为我!-firewall packet filtering code (with description) want to be able to apply! I for everyone, everyone!

防火墙的远代码。它能实现对数据的过滤，能检测出局域网的网络IP地址。能够防止别的计算机ping本机。-firewall code. It can achieve the filtering of data, can detect LAN network IP addresses. To prevent other computer ping the machine.

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

一个 ip过滤源代码的c++工程，可以看作简单的防火墙，希望对大家有帮助-an ip filter source code c works can be seen as a simple firewall, and I hope to be helpful

snort防火墙源代码，该防火墙据有很完善的功能。-snort firewall source code, the firewall has a very sound, according to function.

查看连接并可以组包的程序- The examination connection and may the group package procedure

tdi编程例子，个人防火墙编程用得到。-A tdi example, and it may be used in presonal firewall.

在Linux系统环境下进行包过滤的工具。可以根据不同的需要设置包过滤的规则。-in Linux environment for packet filtering tools. According to the need for different packet filtering rules.

防火墙的初始配置 防火墙的路由模式配置 -The initial configuration of the firewall firewall routing mode configuration