v.22.3New Feature

Support SSL User Authentication via X.509 Certificates

Support authentication of users connected via SSL by their X.509 certificate. #31484 (eungenue).
Support authentication of users connected via SSL using their X.509 certificates.

Why it matters

This feature enables users to authenticate to ClickHouse by presenting X.509 certificates over SSL connections, enhancing security by leveraging certificate-based client authentication instead of traditional username/password methods.

How to use it

To use this feature, configure ClickHouse server to accept SSL connections and enable client certificate authentication. Users must connect via SSL and provide a valid X.509 certificate recognized by the server for authentication.