port scanning (including source code)

服务器为多线程，提供员工基本管理-for multi-threaded server, providing basic management staff

网上购物车程序，可增加，删除货物，保存付账等功能-shopping cart

串口短信收发软件，使用Visual B编写。-messaging software using Visual B prepared.

随着现代信息技术的发展，世界经济正经历着一次深刻的变革，这场变革正在极大的改变着世界经济的面貌，也使制造业所面临的生存环境发生了翻天覆地的变化。世界市场从传统的相对稳定型市场向着动态多变的市场演变，同行业、跨行业之间的竞-With the development of modern information technology, the world economy is undergoing a profound change, this transformation is a great change in the face of the world economy, but also faced by the manufacturing environment has changed dramatically. The world market is relatively stable from the traditional markets of the market towards the dynamic evolution of the industry, cross-industry competition between

使用Ws2_32.DLL中的函数而不是ICMP.DLL中的函数来实现Ping -Implementing Ping using the function in ICMP.DLL not the function in Ws2_32.D

SOCKET 底层协议数据结构 如： /* IP Header RFC-791 0 3 7 15 31 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ |Version| IHL |Type of Service| Total Length | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Identification | Flags | Fragment Offset | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Time to Live | Protocol | Header Checksum | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Source Address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Destination Address | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ | Options | Padding | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ */-SOCKET underlying protocol data structures such as:/* IP HeaderRFC-7910 3 7 15 31+-+-+-+-+-+-+-+-+-+-+-2B !-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+--+-+-+-+-+ | Version | IHL | Type of Service | Total Length |+-+-+-+-+-+-+-+--+-+-+-+-+-+-+-+-+-+-+

学习多播和广播的一个很好的例子,值得初学者看一看-Learning multicast and broadcast a good example of

武林助手 VB制作 有需要的可以参考一下-VB production assistant martial arts has needed for reference

VB编写的文件传输程序-VB prepared the file transfer process

过直接控制DNS进程(其实也就是svchost.exe,不过对应用户名是NETWORK SERVICE)进行数据传输的例子.编程中出现了很多问题,比方说获取svchost对应用户名时没有权限(但是能够操作LOCAL SERVICE),在句柄值为0x2c时进行getsockname时会停止运行-DNS direct control over the process (that is, in fact, svchost.exe, but on the application name is NETWORK SERVICE) examples of data transmission. Programming in a lot of problems, for example, to obtain the application name svchost without permission (but able to operate LOCAL SERVICE), in the handle when the value of 0x2c will stop running getsockname