关于FTP的代码,支持网络间的文件传输,用户权限的设定.

Tornado培训教材-Tornado training materials

一个组播接收类， 一个组播接收类。-Category to receive a multicast, a multicast receiver category.

dos 下面的tcp源码-dos following tcp FOSS

获得网上邻居的VC实现,通过SOCKET编程获得-online access to the VC neighbors, through access to Socket Programming

实现基于SOCKET的网络聊天室功能，适合初学者对网络编程的学习-SOCKET network-based chat room features, suitable for beginners to learn programming on the network

计算校验和 命令行：check_sum infile 其中check_sum是程序名，infile是数据文件名 输出：数据文件的校验和。 目的是通过数据链路层与介质访问控制层的学习，根据数据链路层的基本原理，针对普遍应用的Ethernet帧，通过构造一个具体的帧，深入理解网络协议的基本概念与网络问题处理的一般方法。-calculated checksum command line : check_sum infile which check_sum procedures, and infile data output file name : data files, the checksum. The purpose of the data link layer and the MAC layer of learning, according to the data link layer to the basic principles of universal application against the Ethernet frame, and by constructing a concrete frames, in-depth understanding of network protocols and the basic concepts of network issues to deal with the general approach.

简单的聊天程序，不完善版，注释比较少，因为开发的时候时间比较急，所以没加太多注释。-simple procedures, incomplete version of the Notes is relatively small, because of the development time is more urgent, Therefore, the Notes have not too many.

聊天程序服务器端-Chat server-

一个简单又实用的留言版-a simple but practical message boards

一个值得研究的下载程序， 来自于网络！-one worth studying download from the Internet!