此包是为perl或者 Python等高级语言提供一个库，该库提供对网络数据包通过queue方式的访问。-nfqueue-bindings was written to provide an interface in high-level languages such as Perl or Python to libnetfilter_queue. The goal is to provide a library to gain

linux网络过滤器使用的源代码，很方便的接口，性能也不错-linux souce code for network,interface

C Linux TCP Filter using the libnetfilter_queue of iptables