calculate0201是java

ftp客户端源代码，支持简单的ftp功能，界面较美观。-ftp client source code, support for simple ftp functions, interface more attractive.

一个捕获数据包的小程序，可以显示数据包的协议类型，源端口，目的端口，目的地址及数据包大小。-a packet capture of small programs can demonstrate that the agreement packet types, source port, purpose port, the destination address and packet size.

vb 写的防火墙,可以与自己加载一些另外的安全功能-vb wrote firewalls, can be loaded with its own number of additional security features

socket serveices and socket client

类似Windows的netstat程序的程序 -An app which is like to windowss netstat

基于post方法做的http request 程序 代码简洁明了-Based on post method to do http request process

FTP的客户端，用户可以能过FTP的客户端来实现FTP文件的管理等-FTP client, users can lead FTP client to achieve the FTP file management

一套不错的TCP/IP编程指导，对几乎所有人都有指导意义。大家来看下-A good TCP/IP programming guide, almost everyone has a guiding significance. Under the U.S. point of view

利用WINSOCK的通信协议 用VC++编写-WINSOCK use the communication protocol used VC++ Prepared

网络数据包的捕获-network packet capture