The WebSocket protocol provides a way of creating web applications that support two-way communication between clients and servers.
You can access this feature by following the path CDN Main Page > Manage Domain > Performance Manager >WebSocket
ENABLE/DISABLE WebSocket
On the WebSocket page, you will find the list of domains that you have added. Under the WebSocket column on the right-hand side of the page, click on the slider button associated with the respective domain to Enable/Disable the feature. When it is enabled, it appears green, and when disabled, it appears grey.