4. Try monitoring techniques (netflow, flow monitoring)

Introduction

In my private lab, I run many different applications and servers (none of them commercially or prod might I add) and it might be interesting to apply netflow/ flow monitoring solutions

PfSense

At the forefront of my private lab a pfSense machine runs as a firewall/routing etc. all in one. This is a freebsd based OS – which also has a package manager. I run ntopng on this site which shows all of my network flows; due to it containing large amount of private traffic I’ve decided to censor the contents of the screenshots I took.