The very first and  easy step to setup WebSocket is to use the default Channel Listener .But if you need to implement business logic to control the WebSocket system in your application you will have to use a custom Channel Listener CFC.

Channel Listener has six methods which can be used to control

  • who is allowed to publish data over a websocket channel
  • who is eligible to recieve data  over a websocket channel
  • how to present data to different users

For more details on how to implement the logic to restrict the right to publish data , read my blog entry - ColdFusion WebSocket Part4:Restricting Right to Publish


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