获取并修改计算机名，通过函数获得（getcmputername）

sqlping代码-sqlping code

基于winpcap ， 对ipv6帧头的数据包捕获。用vc++编写-the program is about capturing the ipv6 data.

seru溢出-seru overflow

职工管理 的一个基本程序-management workers a basic management procedures

检测远程机器是否有冲击波的漏洞-detect whether remote machines shock the loopholes

显示磁盘的剩余空间(2KB)-show the remaining disk space (2 KB)

性能监视，托管扩展，和锁定工具栏-performance monitoring, extended care, and lock toolbar

EmailCrk是一个基于POP3协议的自动登录机。一般对于UNIX机器来说，其每一个用户都有相应的Email帐号，而且Email帐号的密码和登录密码是一样的。这样，如果能够得到用户的Email帐号密码，就可以得到他的登录密码。EmailCrk就是利用POP3协议的功能，对可能的用户密码进行登录试验，从而获得用户的密码。-EmailCrk is based on the POP3 agreement automatically registering machine. Generally said regarding the UNIX machine that, its each users all have the corresponding Email account number, moreover the Email account number password and registers the password is same. Thus, if can obtain the user the Email account number password, may obtain him to register the password. EmailCrk is uses the POP3 agreement the function, to carry on to the possible user password registers the experiment, thus obtains the user the password.

本代码适合初学者学习java网络编程。这几个代码都是教你如何建立个自己的服务器，在连接服务器的。-those java code are designed for new starter.who have no experience of java network programming.it will be easy to understand.

windows密码保护