the firewall source. Strong.

一个驱动级的防火墙源程序，基于ndis hook，可以设定外部设定过滤规则，-A drive source firewall level, based on ndis hook, set the filter can be set to external rules,

脚本变形的算法和软件实现，用vc编写，请大家下载-it is the arithmetic the transformative of the script and the realization of the software, which is write by VC.welcome to download!

这是一个简单的防火墙，用VB开发的，功能很少，不过可以借鉴一下编程方法，很有用的-This is a simple firewall, using VB, functional little, but I can learn some lessons from programming, a very useful

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

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.

以前对防火墙接触甚少，所了解的也是从系统底层实现角度看的一些分析细节，最近由于毕业设计的需要，对防火墙的发展、分类、现状和趋向等方面做了概略的了解，也有一些体会，做个简单的分析报告。 -previously little contact with the firewall, as well as knowledge of the underlying system from the point of view of achieving the details of some analysts, the recent graduate design needs, the development of firewall, classification, and the status and trends so on a broad understanding, have some experience and become a simple analysis.

MODEM 调 制解调器开发的C 语言源程序.欢迎大家下载-MODEM modem developed by C language source code. Welcome everyone to download

libdnet provides a simplified interface to several low-level networking routines, including network address manipulation, kernel arp(4) and route(4) table manipulation, firewalling, interface configuration, and raw Ethernet and IP datagram transmission.-libdnet provides a simplified interface to several low-level networking routines, including network address manipulation, kernel arp (4) and route (4) table manipulation, firewalling, interface configuration, and raw Ethernet and IP datagram transmission.

通信机制：C-S-C中继在中间，代理为控制台提供双向服务，承诺控制台命令并向代理发送文件，代理命令返回执行结果文件并开始接收，接收信号的功能。此外，继电器接受控制台（与类似的代理，DosPipe实现）。这样的设计是为了解决穿透防火墙或路由器（NAT）的障碍——由连接代理发起，由内向外路由，然后中继到控制目的。通过预定顺序的中继文件地址，由搜索代理循环中继；连接，通过文件传输功能更新地址顺序。

一个简单的防火墙程序。-a simple firewall procedures.