ntlf9t / ndpi-netfilter

This package is a GPL implementation of an iptables and netfilter module for nDPI integration into the Linux kernel 5.4+.

The prerequisites are:

• Tested on Ubuntu 14.04.1 LTS (Kernel 3.13.0-37-generic)
• Following packages to compile kernel-modules: linux-headers iptables-dev >= version 1.4.21-1ubuntu1 nDPI source package

Compiled kernel features

You do not need to do the below steps for Ubuntu 14.04.1 LTS

In order to use nDPI as a kernel module notice that:

• You should ENABLE Netfilter conntrack events (and also enable Advanced netfilter features to see it).

In kernel 2.6.34 or greater its defined as:

Connection tracking events Symbol: NF_CONNTRACK_EVENTS Location: -> Networking support -> Networking options -> Network packet filtering framework (Netfilter) -> Core Netfilter Configuration -> Netfilter connection tracking support

In kernel 2.6.34 or greater its defined as:

Connection tracking netlink interface Symbol: NF_CT_NETLINK Location: -> Networking support -> Networking options -> Network packet filtering framework (Netfilter) -> Core Netfilter Configuration -> Netfilter connection tracking support

Once you have downloaded/installed each package and checked for the above kernel features you can read the INSTALL file.