IBM System Storage Ideas Portal


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Status Submitted
Workspace IBM Copy Services Manager (CSM)
Created by Guest
Created on Apr 20, 2026

RELATED IDEAS

CSM allows the use of multiple cryptographic TLS protocols

CSM can actually only select one version of TLS in the configuration member.

Parameter of Configuration member csmServer:

protocol=TLSv1.2

In order to simplify management and enable error-free migration to TLS v1.3 across different LPARs, we are requesting this change.

Example of error:

ÝERROR ¨ CWWKO0801E: The SSL connection cannot be initialized from the 10.186.xxx.xxx host and 38,xxx port on the local server. Exception: javax.net.ssl.SSLHandshakeException: The client supported protocol versions ÝTLSv1.3¨ are not accepted by server preferences ÝTLSv1.2¨

.at java.base/sun.security.ssl.Alert.createSSLException(Alert.java:130)

Idea priority Medium

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