Liferay Connector to Elasticsearch 7 is supplied out of the box and does not require special JVM settings. It is based on the REST Client (Java) that communicates with Elasticsearch over the HTTP protocol. It is compatible with a 7.14.1 client library version. The Java REST Client communicates with Elasticsearch over HTTP. TLS/SSL and user authentication are available by the secure connection via HTTPS by default. Compatible Elastic versions are 7.14.x-7.15.x.