I still don’t have a solution to this problem. I took a loot at the Deep Packet Inspection post on the right side of this website and found a command to try:
iptables -mndpi –help
It returns the error:
iptables v1.4.21: xt_ndpi: kernel module not load.
Try `iptables -h’ or ‘iptables –help’ for more information.
Does that help identify the problem?