很好的服务器端工具的源码,值得学习一下.

java读写Excel文档的API，把rar改为jar放入类中就能用-read and write Excel files java API, rar Add to jar can be used in category

此嗅探器只能在支技RAW SOCKET的机器上运行,而且还得是非交换机的局域网内 代码原创:cooldiyer-this Sniffer technology only in RAW Socket Extension of machines, but also to non LAN switches original code : cooldiyer

windows socket网络编程之io完成端口模型的例子-windows socket network programming on the io completion port model examples

C语言跟踪路由跟踪，使用ICMP协议。生成环境：Microsoft Visual C 6.0 WinSock2。

中国联通SGIP 2.0协议的源代码,vb源程序-China Unicom agreement SGIP 2.0 source code, vb source

取得计算机网卡物理地址的步骤：1）列举所有的网卡2）分别重置每块卡以取得它的正确信息3）查询网卡，取得MAC地址-made computer card physical address steps : 1) lists all the card 2), respectively replacement every piece of card to obtain the correct information 3) card inquiries made MAC address

Port scan and listen

一个局域网聊天程序，一个局域网聊天程序 一个局域网聊天程序-a LAN chat procedure, a procedure LAN chatting a LAN chat procedures a LAN Chat Program

检查一个tcp或udp端口是否被占用-Check if a tcp/udp port has been used

利用SNMP获得交换机端口学习到的MAC地址的程序,PHP.-use SNMP access switch ports to learn the MAC address of the procedure, PHP.