Changes to support for ciphers used to connect to Elasticsearch Service
Blog post from Elastic
Elastic Cloud is enhancing its security by deprecating weak ciphers used to connect to the Elasticsearch Service, opting to support only those in the Mozilla intermediate list, a move scheduled to take effect after January 30, 2022. This change, aimed at aligning with security best practices, includes additional support for AES128-GCM-SHA256 and AES256-GCM-SHA384 for Windows 11 compatibility, while retaining flexibility for future updates. Clients using outdated ciphers must update their systems to maintain connectivity with Elasticsearch clusters and associated services like Kibana and APM Server, as failure to do so will prevent successful TLS handshakes and result in downtime. Elastic Cloud is communicating these changes through emails and status updates, emphasizing the importance of client updates to ensure seamless operations across various regions, including AWS and GCP.
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