MiNiFi C++ C2 Supports update policy enforcement through the configuration YAML file.
These can be defined via a controller service that provides immutable policy control to an agent.
The following link references the C2 Readme updates for this feature.
https://github.com/phrocker/nifi-minifi-cpp/blob/1f5d2b9c9af03f73d303622e0345070f939af715/C2.md