A simple network firewall, vc++ to achieve, the test can be run

基于费尔的Ndis Hook技术的网络监控系统 目录列表: TGuard 应用程序目录 TGuard_sys For 2k的驱动程序 Release 存放应用程序 Def 应用程序和驱动共用的一个定义文件 Tools 工具 安装: 将.sys文件放到windowssystem32driver目录下,导入Tools目录中installHook.reg,重启. 注意点: 支持winRoute,Winxp带的ics共享,isa Server, 不支持sygate. 对网卡无限制.-Ndis Hook Technology Network Monitoring System directory listings : TGuard application directory TGuard_sys For 2k Driver Release storage applications Def applications and drive a shared definition document Tools installation tool :. Sys documents into windows system32 driver directory, import Tools directory installHook.reg restart. attention : winRoute support, with the ICs Winxp sharing, isa Server, does not support Sygate. NIC unrestricted right.

ipsec vpn的例子程序 主要是演示vpn-ipsec ipsecsample-app.rar

Wolverine Firewall and VPN Server何必买买昂贵的VPN设备这个软件足够了-Wolverine Firewall and VPN Server why bother buying expensive equipment to the software VPN enough

这是一个简单的路由跟踪工具，通过发送UDP包，使初始TTL值为一，即发送到第一个节点时终止，返回，之后再将TTL值++，收集每个返回的ICMP信息即可得到封包经过的路由。-This is a simple routing tracking tool, by sending a UDP packet, so that the initial TTL value of 1, that is sent to the first node the termination, return, and then after the TTL value of++, The collection of each returned ICMP Information can be obtained after the routing packets.

阻止弹出广告的源码，vc的，经测试，可以借鉴-stop pop-up advertisements source, vc, tested, we can draw

简单个人防火墙 可拦截IP包-simple personal firewall to intercept IP packets

Linux IP过滤器 -Linux ip 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

tcp_wrappers_7.6 Unix下的防火墙源码-tcp_wrappers_7.6 Unix source firewa

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-against ARP security holes and the resulting network security, the use of a pair of ARP packets of data authentication mechanism