用于检验局域网内的网卡处于混杂模式的主机，维护网络安全...

防火墙语因特网安全-language Internet security firewalls

一个驱动级的防火墙源程序，基于ndis hook，可以设定外部设定过滤规则，-A drive source firewall level, based on ndis hook, set the filter can be set to external rules,

ibdnet为几个低级网络例程提供了一个简化的接口在，包括网络地址处理，内核arp(4) 和 route(4)表处理，防火墙，接口配置，以及原始以太网和IP数据包传输。-ibdnet network of several low-level routines to provide a simplified interface, including network addresses, core arp (4) and route (4) Table processing, firewall, port configuration, and the original Ethernet and IP packet transmission.

一个IP数据包过滤工具库源码，含有一个IPMonitor程序，可以查看所有IP包头信息。对编写包过滤防火墙很有用- A IP data packet filters the tool room source code, includes a IPMonitor procedure, may examine all IP Baotou information. To compiles the package to filter the firewall to be very useful

费尔防火墙源代码,现在该代码所有公司已经开始收费；原先是公司内部交流拿来研究用的。-Fil firewall source code, the code is now all the companies have begun charging; Originally used to house the exchange of research.

NDIS中间层数据包过滤方法 适合于开发网络过滤防火墙-NDIS intermediate layer packet filtering method is suitable for development of Web-filtering firewall

snort防火墙源代码，该防火墙据有很完善的功能。-snort firewall source code, the firewall has a very sound, according to function.

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.

znsoftu xfilter10u源码Fil防火墙1.0源码，网络安全

查看收到的ICMP信息的工具 -A tool for viewing icmp message