What is this variable "RlsSvcPort" in my System environment variable?

Question

I was checking my environment variables to make some dev-related changes and found this:

What can it be?

Answer 1

What is this variable "RlsSvcPort" in my System environment variable?

RlsSvcPort (22112) is used by the Sage Licensing Service, which is a licensing and activation service for Sage software products.

Source: i found out ports in my environment that i'm suspicious on them, - Microsoft Community