The Liferay Enterprise Search Security app allows you to connect Liferay DXP to an Elasticsearch 6 cluster securely. From Elastic's website, "With Security, you can password-protect your data as well as implement more advanced security measures such as encrypting communications, role-based access control, IP filtering, and auditing." More information about Elasticsearch security can be found at https://www.elastic.co/guide/en/elasticsearch/reference/6.8/configuring-security.html .

To learn about compatibility, see the compatibility matrix: https://help.liferay.com/hc/en-us/articles/360016511651#Liferay-Enterprise-Search .

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