局域网的截包程序，包括tcp和udp的两种协议捕包。控制台程序-LAN packet cut-off procedures, including the tcp and udp packet capture of the two agreements. Console Application

一个防火墙驱动和相关的代码，防火墙驱动的接口已经封装的很好。你可以下载后加到项目里 就可以实现抓包了。-A firewall drivers and related code, the firewall driver interface has been a very good package. You can download added to the project can be achieved in the capture.

This directory contains source code for libpcap, a system-independent interface for user-level packet capture. libpcap provides a portable framework for low-level network monitoring. Applications include network statistics collection, security