v.23.10Improvement

Improve Hiding Secrets in Logs

Improve hiding secrets in logs. #55089 (Vitaly Baranov).
Enhanced mechanism for hiding sensitive secrets in ClickHouse logs to prevent accidental exposure.

Why it matters

This feature improves the security of ClickHouse by better masking or hiding secrets such as passwords or tokens in the server logs. It helps users avoid leaking confidential information during debugging or monitoring processes.

How to use it

The improved secret hiding behavior is applied automatically in logging. Users do not need to perform any special configuration to benefit from this enhancement.