WinDivert is a software package that provides user-mode packet capture, redirection, modification, and re-injection for Windows Vista/Windows 7. It provides similar functionality to divert sockets for FreeBSD/MacOS, and NETLINK sockets (with netfilte

winpkfilter ndisapi library with checksum functions

一个高性能的网络数据包处理架构，利用WinpkFilter可以在应用层直接对数据包进行处理，甚至可以在应用层延缓数据包发送-WinpkFilter is a high performance packet filtering framework for Windows that allows developers to transparently filter (view and modify) raw network packets with minimal impact on network