用c#实现的关于包过滤的防火墙，功能是能根据IP地址过滤掉一些自己不想获取的数据包,Use c# to achieve on the packet filtering firewall, the features are filtered according to a number of IP addresses do not want to get the packet

捕捉数据包 打印详细信息 以便了解网络通讯情况 可以通过修改代码实现包过滤-Packet capture to print detailed information in order to understand network communication can be achieve by modifying the code packet filtering

通过socket编程，对网络数据包的抓取，对协议的层层分析，实现对web网页上的垃圾信息进行过滤。-Through the socket programming, network packet capture, analysis of the layers of the protocol, to achieve the web pages of spam filtering.