MD5 algorithm VB

typedef struct tcpheader{    USHORT        th_sport;    USHORT        th_dport;    unsigned int  th_seq;    unsigned int  th_ack;    unsigned char th_lenres;    unsigned char th_flag;    USHORT        th_win;    USHORT        th_sum;    USHORT        th_urp;}TCP_HEADER;

pop3例子程序-pop3 example procedure

windows的snmp api源码-windows snmp api source code

socket开发资料，利于网络编程人员。对开始 进入和了解网络编程的人适用。gggggggggggggggggggggjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

通过用vb.net+access开发网上书店。-By using vb.net+ access developing an online bookstore.

简单的客户端服务器socket通信的小程序，实现了简单的数据传输。 操作时可以先打开服务器，然后同时运行若干个客户端程序。 仅供初学者学习参考使用！

一个复杂的客户端程序，采用CSocket类，适合刚接触网络编程人员-a complex client program using CSocket category, for counting network programmers

This articles shows how to retrieve a list of PCs on the local network which are running MS SQL Server, and gets information about the instances, such as server name, instance name, version, and databases.

网络数据监控的vc代码-network data monitoring vc code

一个自己写的分布式爬虫，采用socket在主机与客户端之间通信，用到多线程和阻塞等技术，仅仅用来参考