To configure the video player and streaming options:
Click the icon and select Administration from the navigation drop-down menu.
Click System Settings on the toolbar and then click Security on the sidebar.
Click the Streaming tab.
(Optional) For advanced users, select whether to use a custom HLS buffer size. See the Video Player settings under Security Settings for more details.
(Optional) To specify a fixed hostname for the multicast agent download, toggle the Static Helper URL button to On. See Multicast Agent Settings under Security Settings.