rfc ftp的完整协议， 开发ftp的必读文档-rfc ftp a complete agreement to develop a must-read document ftp

FTP协议官方中英文文档，详细的描述了FTP协议的命令与响应，对FTP的实现有很大的帮助。-FTP protocol official in Chinese and English documents, a detailed descr iption of the FTP protocol command and response, implementation of the FTP is very helpful.

Ftp 文件传输协议的rfc文档，帮助大家很详细的了解ftp的传输过程-FILE TRANSFER PROTOCOL