@Muffex Did you follow instructions in Sandbox Deployment and Install Guide and Learning the Ropes of the HDP Sandbox? Learning the Ropes will show you how to setup your /etc/hosts correctly - along with other good stuff. The script will handle all the setup - no other ports needed. There is also a short video describing the process: How to deploy sandbox using Docker If you still have issues, please provide screenshots and deploy script output.
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