Which service communicates through port 4899?

The service that communicates through port 4899 is the Qlik Sense Printing Service. This service is responsible for handling print requests and managing the rendering of documents for output. It operates on this specific port to facilitate the communication necessary for processing print jobs, ensuring that users can generate and print reports or visualizations as needed.

Understanding the role of the Printing Service in the Qlik Sense architecture is essential for system administrators, as it impacts how users interact with the application and their ability to produce physical copies of the information represented in their visualizations.