Added support for secured connections from ClickHouse to ZooKeeper, enabling encrypted communication and enhanced security.
Why it matters
This feature addresses the need to secure the communication channel between ClickHouse and ZooKeeper by supporting encrypted connections. It protects sensitive data in transit and mitigates risks related to interception or tampering, thereby improving the overall security posture of ClickHouse clusters relying on ZooKeeper.How to use it
To enable secured connections between ClickHouse and ZooKeeper, configure the ZooKeeper client settings in ClickHouse to use TLS encryption. This involves specifying the appropriate SSL options and certificates in the ClickHouse configuration files where the ZooKeeper connection parameters are set.