获取系统信息,操作系统版本号。内存大小。硬盘大小等-Get system information, operating system version number. Memory size. Hard disk size, etc.

用raw socket 发送TCP报文有助于理解网络协议-used raw socket TCP packet sent to understand network protocol

从指定文件读入IP地址和帐号密码，猜测ftp服务器密码.-read from the specified file into the IP address and account password, guessing ftp server passwords.

端口扫描程序-Port scanner

hydra-4.4

本程序是有VC编写，其主要功能是扫描电脑端口的开放情况，有界面，可以扫描单一端口，也可以自定义端口，还可以将扫描的结果保存为文本文件-This procedure is the preparation of VC, and its main function is to scan your computer for open ports situation, there are interfaces, you can scan a single port, but also can customize the ports, can also be saved as a result of scanning a text file

这是一个基于UDP协议的网段扫描程序,Vc++开发,希望给予提供大家学习vc的帮助-This is a UDP-based network of scanning procedures, Vc development, giving hope to emulate the help vc

内存占用的大小直接影响程序的运行，对于一些内存占用很多的程序，需要实时检测可用内存，以调整设置，本程序就能实现这种功能-Memory footprint size of a direct impact on the operation of the procedure, for some memory footprint a lot of procedures, the need for real-time detection of memory can be used to adjust the settings, the program will be able to realize this function

简单的网络扫描工具-simple network scanning tool

字符界面下的端口扫描程序- Under character contact surface port scanning procedure