A simple firewall

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!

防火墙类网站集锦-firewall website Collection

IPFilter,顾名思义,乃为IP过滤之意思.读懂并集成到你的应用中,应该很有意思-IPFilter, as its name implies, is for the meaning of IP filtering. Understood and integrated into your applications, should be very interesting

ip-filter不但具有SNAT、DNAT、端口映射、透明代理等已经成熟的功能，同时还实现了IPv4和IPv6协议以及IPSec安全协议的支持。此外还有诸如规则分组、blackhole、数据包捕获等特色-ip-filter not only had SNAT, DNAT, the port mapping, the transparent proxy and so on already the mature function, meanwhile has realized IPv4 and the IPv6 agreement as well as the IPSec security agreement support. In addition also has such as the rule grouping, blackhole, characteristic and so on data packet capture

网上搜集的一个ISAPI防火墙源码。共享共享学习学习。-online collection of a firewall ISAPI source. Sharing Sharing learn from.

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.

以前对防火墙接触甚少，所了解的也是从系统底层实现角度看的一些分析细节，最近由于毕业设计的需要，对防火墙的发展、分类、现状和趋向等方面做了概略的了解，也有一些体会，做个简单的分析报告。 -previously little contact with the firewall, as well as knowledge of the underlying system from the point of view of achieving the details of some analysts, the recent graduate design needs, the development of firewall, classification, and the status and trends so on a broad understanding, have some experience and become a simple analysis.

VOIP透明穿透NAT防火墙的方法介绍！硕士学位论文！-VoIP NAT firewall penetration transparent method introduced! Master"s degree thesis!

耐威网关软件防火墙简易版 1.0-resistance Granville gateway firewall software simple version 1.0

不错的包过滤防火墙代码-good packet filtering firewall code