The Qlik Sense Proxy Service (QPS) retrieves its settings from the Qlik Sense Repository Service (QRS). The first poll is done at the start-up of the QPS. If the QRS does not respond, the QPS keeps polling the QRS and does not forward any traffic. When the initial poll has been successfully completed, the QPS subscribes to changes to its settings. The QRS notifies the QPS when it is time for a new poll.
Normally, the Qlik Management Console (QMC) is used to manage the QPS settings.