{4-27} How to modify the port of communication between pixel stream and chrome

The pixel stream and user communication ports are random. Is there any way to change this, because I am not allowed to open all ports when I use it

I have the same problem.Looking for the source ,I found that the port number is coming from UE. Am I right ?is there some cool guy know the answer.

Hello, any progress?Is there any way to determine this port?