本书从介绍安全问题入手，讨论了TCP/IP协议簇的重要部分；随后，详尽描述了防火墙的结构，分析了几种常用防火墙网关，详细阐述了各种鉴别策略的选择及多种网关工具的使用，是管理工作人员必不可少的一本书。-This book from start to introduce security issues, discussed the TCP/IP protocol an important part of cluster Subsequently, a detailed descr iption o

VC++6.0实现的利用IP过滤钩子驱动创建的一个Windows防火工具，支持TCP,UDP,ICMP协议,基本呈现了Windows防火墙开发的过程-VC++6.0 to achieve the use of IP filter hook driver to create a Windows fire prevention tools, support for TCP, UDP, ICMP protocol, the basic Windows firewall shows the proces

局域网数据包抓取演示程序。用C++编写。用到局域网中TCP/IP中的多播和广播协议。适合新手学习时参考demo。-LAN packet capture demonstration program. Written with C++. Multicast and broadcast protocol used in TCP/IP LAN. Reference for novice learning demo.