在别处看到的，不是我写的，与大家分享 是一个ssl vpn的，感觉不错，很有用...

用汇编编写程序，任意输入两个数进行四则运算。要求从键盘输入数据和运算符，并把运算的结果显示在屏幕上。 你好-used to prepare the compilation process, arbitrary number of input 2 for 4 operator. Requests from the keyboard data entry and Operators, and the results of operations on the screen. Hello

带有友好界面的ping程序，WinPing将ping操作安排给一个新的线程来进行！-Friendly interface with ping procedures, WinPing arrangements will ping operation to a new thread to carry out!

Linux IP包过滤的增强 -Linux ip packet filter s enhance

本人花重金购买的防火墙源程序-I spent huge sums of money to buy the source firewall

专业的VB个人防火墙源码,有举趣的可以-VB professional personal firewall source code, have cited can be Fun

一个专业的防火墙软件，主要针对目前的端口，共享，能监控系统的安全状态，检测到问题能准确通知用户，更新部分模块，增加了实用、可操作性以及提高准确性-A professional firewall software, mainly targeted at the port, share, capable of monitoring the safety of the system state, to detect the problem accurately inform the user, update a number of modules, an increase of utility, maneuverability and enhance the accuracy of

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

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

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

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