ftp源码程序，大家可以参考一下。挺不错的

完成端口的示例程序-completed ports sample program

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这是 FTP 的源代码，其中支持 FTP/SFTP。欢迎大家下载，试用。谢谢大家的支持 ！

说明：  一个基于Java编写的Socket程序，提供简单的FTP功能实现 This networking program set consists of implementation of FTP, TELNET, HTTP SERVER, UDP NEWS SERVER, Multi client parallel chat server, Date server. Knowledge of socket programming, applet, AWT, thread, and IO streams is essential to understand these programs. All Program Tested in JDK 1.4, and Run Successfully. Do not forget to run server program before starting client program. Developed By: Divyen K Pate(A Java-based Socket procedures prepared to provide a simple FTP functions This networking program set consists of implementation of FTP, TELNET, HTTP SERVER, UDP NEWS SERVER, Multi client parallel chat server, Date server.Knowledge of socket programming, applet, AWT , thread, and IO streams is essential to understand these programs.All Program Tested in JDK 1.4, and Run Successfully.Do not forget to run server program before starting client program.Developed By: Divyen K Pate)

用VC编的一个FTP客户端程序 具有代理服务器功能!-VC series a FTP client with proxy servers!

vc开发的FTP客户端源代码，对学习VC++非常有用-vc development of the FTP client source code, to learn very useful VC

本系统主要是针对用户和学生的，用户的信息是直接在注册的时候保存到数据库中的。(This system is mainly aimed at users and students, and the information of users is directly stored in the database when registered.)

windows环境下Socket网络编程，ftp程序源代码5

一个ftp服务器-http://member.netease.com/~inetsoft/downloads/sourcecode/internet/ftp/server/troll-ftpd-1.24.tar.gz

底层实现FTP源程序-FTP source