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...

OpenSLL for Delphi 包含了libeay32.dll文件和openssl的说明文档，可以直接调用libeay32.d-OpenSLL for Delphi included libeay32.dll papers and op enssl the documentation can be called directly libeay32.d

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.

一个简单的个人防火墙的例子程序源码- A simple individual firewall example procedure source code

一个很好的C++帮助文档，很值得学习哦，如果你是一个新手的话，推荐你下载下来看看！-A good C++ Help document, is worth studying Oh, if you are a novice, then recommend you download it and see!

防火墙编程之封包过滤 代码(内附说明) 希望能通过申请!我为人人,人人为我!-firewall packet filtering code (with description) want to be able to apply! I for everyone, everyone!

用过防火墙吧，自动运行是不是感觉不错？这个程序就是让你学会怎样实现这个功能。-firewall, automatic operation is not feeling well? This procedure is to allow you to learn how to achieve this function.

在Linux系统环境下进行包过滤的工具。可以根据不同的需要设置包过滤的规则。-in Linux environment for packet filtering tools. According to the need for different packet filtering rules.

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.

简单防火墙-Simple firewall

一个通过icmp包实现通信的小工具，里面详细介绍了，学习网络协议的好东西。