防火墙资源，文档说明具备相当价值

一个很好的C++帮助文档，很值得学习哦，如果你是一个新手的话，推荐你下载下来看看！-A good C++ Help document, is worth studying Oh, if you are a novice, then recommend you download it and see!

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

简单个人防火墙 可拦截IP包-simple personal firewall to intercept IP packets

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

Wolverine Firewall and VPN Server何必买买昂贵的VPN设备这个软件足够了-Wolverine Firewall and VPN Server why bother buying expensive equipment to the software VPN enough

lenove关于软件VPN的安装与配置指南.doc-Lenovo on the VPN software installation and configuration guide. doc

监听与隐藏一书各章节的源代码。我将上传于此，对研究防火墙与网络通讯的朋友，或许有用。-eavesdropping with a hidden in the various sections of the source code. I will upload Here, the study of firewalls and network communications are friends, perhaps useful.

Sniff网络嗅探器 对局域网的数据进行捕获 -network sniffer to LAN data capture

杀毒软件代码。可以学习如何编写杀毒软件。希望大家下载使用-antivirus software code. Learn how to prepare antivirus software. We hope to use the download

一个简易的网络防火墙，vc++实现，测试通过，可以运行-A simple network firewall, vc++ to achieve, the test can be run