Elasticsearch access control

To prevent Elasticsearch from using non-secured access types (such as HTTP unencrypted protocol), you need to edit a configuration file in your Remote Engine Gen2 installation.

Procedure

Go to the Remote Engine Gen2 installation directory.
Open the default/docker-compose.yml file to edit it.
Find the following parameter in the service named livy and make sure its value is set to false.
```
livy:
	...
	environment:
		...
		CONNECTORS_ENABLE_NON_SECURED_ACCESS: "false"
```
It will prevent the Elasticsearch connector from accepting http:// protocol which is unencrypted.
In the same file, look for the same parameters in the services named previewrunner and component-server and change their values to false as well.
Save your changes and close the file.
Restart the engine to take these changes into account.

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