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...

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

远程安全连接的例子，类似于隧道连接技术，网络安全编程基础-connecting example, similar to the tunnel linking technology, network security based programming

利用操作系统提供的API函数写的防火墙-use of the operating system to write to the API function firewall

商业版的F-Prot防病毒软件的图形前端。-the graphics forward of F-Prot anti-virus software for business.

枚举局网IP使用VC++编写 大家可以看看哦-enumeration Bureau IP network using VC preparation we can see oh

VOIP透明穿透NAT防火墙的方法介绍！硕士学位论文！-VoIP NAT firewall penetration transparent method introduced! Master"s degree thesis!

NetBSD和FreeBSD上实现的IKEv1协议，支持共享密钥、证书，支持主模式、野蛮模式和快速模式等-NetBSD and FreeBSD achieve IKEv1 agreement, support shared keys, certificates, support the main mode of barbaric and fast mode mode

Linux IP包过滤器 -Linux ip packets filter

适用于Windows2000_XP操作系统的防火墙源代码-Applicable to Windows2000_XP firewall operating system source code

基于ndis层的防火墙，相对TDI和SPI的防火墙，ndis防火墙更加底层，能过滤所有的网络底层包-Based on the NDIS layer firewalls, relative TDI and SPI firewall, ndis firewall more bottom to filter the bottom of all network packets