sabi0 commented on issue #12964:
URL: https://github.com/apache/lucene/issues/12964#issuecomment-1867408496

   I have a vanilla Amazon Corretto JDK 17. And it has this:
   ```
       // allows anyone to listen on dynamic ports
       permission java.net.SocketPermission "localhost:0", "listen";
   ```
   As far as I can see this is a common practice. Zulu JDK 11 also has the 
exact same permission. As well as JDK 8.
   
   There is also `gradle\testing\randomization\policies\tests.policy` in the 
project itself that opens it a bit more:
   ```
     // TestLockFactoriesMultiJVM opens a random port on 127.0.0.1 (port 0 = 
ephemeral port range):
     permission java.net.SocketPermission "127.0.0.1:0", 
"accept,listen,resolve";
   ```


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