firewall，基于应用层，费尔防火墙源代码

费尔个人防火墙 2.1 源程序 供大家学习 和参考-Fairbanks Personal Firewall 2.1 source code for the U.S. to study and reference

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.

针对ARP协议的安全漏洞以及它所造成的网络安全问题，使用了一种对ARP的数据包进行认证的机制-against ARP security holes and the resulting network security, the use of a pair of ARP packets of data authentication mechanism

开发Windows 2000_XP下的防火墙!想搞防火墙的看看吧!里面写得真是不错!-2000_XP under Windows firewall! Wanting to look at the firewall! They write really good!

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

一款非常好的防火墙的源码-one very good source firewall

Winsock分层服务提供程序示例，包在文档中描述

捕获IP数据包的小程序,原理是使用PCAP库.开发语言为C-IP packet capture the small programs, principles for the use of Cards. For the C programming language

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

vb写的防火墙，功能较为专业实用强大，可以防止一些软件的非法读取本地端口，有过滤功能，软件界面模仿诺顿杀毒软件界面，很有个性。-a filewall write by VB,which great function for profession and application,can prevent some softwares read the local port illegal,with the function for filtration,whose interface likes the NORDON s.