ngrep strives to provide most of GNU grep s common features, applying them to the network layer. ngrep is a pcap-aware tool that will allow you to specify extended regular or hexadecimal expressions to match against data payloads of packets. It currently recognizes TCP, UDP and ICMP across Ethernet, PPP, SLIP, FDDI, Token Ring and null interfaces, and understands bpf filter logic in the same fashion as more common packet sniffing tools, such as tcpdump and snoop.

LMI：应用层组播基础设施Sherlia仕计算机科学与技术（sherlia@arl.wustl.edu）圣路易斯华盛顿大学美国处，请报告bug和建议

一个类似飞鸽的程序，关于如何获取在线用户列表，当打开客户端的时候，向本地局域网进行广播，接收到广播的其他客户端将自己的IP和用户名回复，以此来获取在线用户列表。-Dove a similar procedure on how to obtain a list of online users, when opening the client when the LAN to the local radio, broadcasting receive other client

分布式计算――CORBA客户服务器编程，学习CORBA客户/服务器编程。-Distributed Computing-- CORBA client-server programming, learning CORBA client/server programming.

消息框大全-news box Daquan

这是一个有关于SMTP与POP3的C++实现。-on SMTP and POP3 C achieve.

LINUX套接字网络编程的小代码！-LINUX sleeve joint character network programming small code!

HPSocket UDP简单测试代码实现了udp server 和 udp client的简单通讯例子

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