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...

简易防火墙程序. 简易防火墙程序.-Simple firewall program. Simple firewall program.

一个Unix系统安全增强工具，Shell程序 -A Shell tool which can enhance Unix system security

本文件进行了实施测试通过的，但如果访问不了非本机的服务器，可查看你是否启动了个人防火墙，本程序没有解决个人防火墙问题。-this document for the implementation of the test, but if not visit the non-server machines, you can check whether or not to launch a personal firewall, this procedure does not solve the problem of personal firewall.

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

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.

网络包捕获分析工具-A network packets capture and analysis tool

使用openswan开源软件搭建自己的ipsec vpn-Openswan use open source software to build their own ipsec vpn

网络督察配置详细手册，网络上很难找到了。-Inspectors Manual network configuration, it is difficult to find a network.

tdi编程例子，个人防火墙编程用得到。-A tdi example, and it may be used in presonal firewall.

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.