ntopng v4 has introduced the concept of plugins that are short scripts written in Lua. They allow people to code ntopng extensions for triggering alerts when specific conditions are met, or extend the engine by adding new external data feeds. Possibilities are manyfold. In the next ntopng release we want to simplify the addition of new plugins as well create a public repository for adding them with a matter of clicks.
This video tutorial is a step-by-step lesson that shows you how ntopng plugins can be developed.