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The notification of temporary disable Signature Authentication for ApsaraMQ for MQTT

Mar 19, 2026

ApsaraMQ for MQTT

Starting from March 17, 2026, Beijing Time.

The signature authentication method for the ApsaraMQ for MQTT is temporarily disabled. Existing clients/instances that are already in use remain unaffected. For newly created instances, the signature authentication method is unavailable; please choose other authentication methods such as Token-based authentication, Unique-certificate-per-device authentication, or custom authorization.

The reopening date will be announced later.