Kimahriman commented on PR #49107:
URL: https://github.com/apache/spark/pull/49107#issuecomment-2638358679

   > Oops, sorry you're correct. We enabled it in Spark specifically yes.
   
   WIthout a default mechanism to authenticate to the connect server, this 
seems like a massive security vulnerability then, right?
   
   > Yes, we should also use ephemeral port. We're doing it when we running it 
locally in some cases, e.g., pyspark shell with --remote local (see 
DefaultChannelBuilder.default_port)
   
   Yeah saw that, should an ephemeral port just always be used for the auto 
launching of the local server?
   


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