Jrebel License Server
Ensure Java 8 or higher (Java 11/17 preferred) is installed on the host machine.
available on GitHub, which provides a peek into how these servers handle licensing requests. On-Premise Server configuration – Rebel Licenses On-Premise manual jrebel license server
On-premise servers can serve licenses in secure environments. Types of JRebel License Servers Ensure Java 8 or higher (Java 11/17 preferred)