firewall code. It can achieve the filtering of data, can detect LAN network IP a...

防火墙源代码,我是从网上下的，其实我还是在学习中，希望大家也喜欢这个。-Firewall source code, I was under from the Internet, in fact, I am still learning, I hope everyone likes this.

一个网络安全测试工具 -A network security test tool

一个实用的网关程序 -An useful network gate

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

防火墙技术文档PDF3-firewall technical documentation PDF3

网络过滤工具，能自己添加需要限制的内容。-Internet filtering tools that can add the need to limit their own content.

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

FTP类，支持防火墙设置-FTP class support firewall settings

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

ip-filter不但具有SNAT、DNAT、端口映射、透明代理等已经成熟的功能，同时还实现了IPv4和IPv6协议以及IPSec安全协议的支持。此外还有诸如规则分组、blackhole、数据包捕获等特色-ip-filter not only had SNAT, DNAT, the port mapping, the transparent proxy and so on already the mature function, meanwhile has realized IPv4 and the IPv6 agreement as well as the IPSec security agreement support. In addition also has such as the rule grouping, blackhole, characteristic and so on data packet capture