WARNING: Version 5.4 of the Elastic Stack has passed its EOL date.
This documentation is no longer being maintained and may be removed. If you are running this version, we strongly advise you to upgrade. For the latest information, see the current release documentation.
Breaking Changes in 5.2
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IMPORTANT: This documentation is no longer updated. Refer to Elastic's version policy and the latest documentation.
Breaking Changes in 5.2
edit- Security
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- The validation of security related settings has been tightened. Elasticsearch will refuse to start if it detects incorrect configuration of security realms or SSL/TLS.