This is `go-nfqueue` and it is written in [golang](https://golang.org/). It provides a [C](https://en.wikipedia.org/wiki/C_(programming_language))-binding free API to the netfilter based queue subsystem of the [Linux kernel](https://www.kernel.org).
This package processes information directly from the kernel and therefore it requires special privileges. You can provide this privileges by adjusting the `CAP_NET_ADMIN` capabilities.
setcap 'cap_net_admin=+ep' /your/executable
For documentation and more examples please take a look at [![GoDoc](https://godoc.org/github.com/florianl/go-nfqueue?status.svg)](https://godoc.org/github.com/florianl/go-nfqueue)