Does search guard provide file encryption while indexing data in ES?

[vi...@kratin.co.in]

When asking questions, please provide the following information:

* Search Guard and Elasticsearch version: 23.0-6.2.4

* Installed and used enterprise modules, if any: Community

* JVM version and operating system version: 8-Ubuntu

* Search Guard configuration files

* Elasticsearch log messages on debug level

* Other installed Elasticsearch or Kibana plugins, if any

[Jochen Kressin]

No, it is not practical to implement index encryption on the Elasticsearch or Lucene layer. It would wreak havoc to the performance. Instead, we recommend using low-level file system encryption, like dm-crypt.