Snuffi v0.1 is a linux kernel module that adds a hook to the incoming and outgoing queue of netfilter. Currently this module only supports traffic for IPv4 and TCP.
You can download it from the following link: https://packetstormsecurity.com/files/download/31122/snuffi-0.1.tar.gz
Source: https://packetstormsecurity.com/files/31122/snuffi-0.1.tar.gz.html