E1: SVM: Server Manager Console and Agent Issues With IBM WAS 9.0.5.x (Doc ID 2940897.1)

Last updated on JUNE 28, 2024

Applies to:

Symptoms

 The following symptoms can be seen on the Server Manager Console and Agents:

•    Server Manager Agents do not show up in Server Manager Console after install.
•    Runtime metrics are not displayed for the managed instances.

The issue can manifest when using standalone E1 agents, embedded E1 agents and Server Manager which are using IBM WAS 9.0.5.x.

With IBM WAS 9.0.5.14

In the SMC_Server_EOne_ManagementConsole1_Console\SystemOut.log file collected from the Websphere Application Server, below errors are registered:

Changes

Anonymous(anon) and NULL algorithm which are using Cipher Block Chaining (CBC) encryption mode are disabled by default starting WAS 9.0.5.x or higher.

Refer to the Security -> Global Settings -> Custom Properties -> com.ibm.websphere.tls.disabledAlgorithms value on the WAS Admin Console.

com.ibm.websphere.tls.disabledAlgorithms = SSLv3, RC4, DES, MD5withRSA, DH keySize < 1024, DESede, EC keySize < 224, 3DES_EDE_CBC, anon, NULL, DES_CBC (added with WAS 9.0.5.x or higher)

IBM Doc: https://www.ibm.com /docs/en/was/8.5.5?topic=realm-security-custom-properties#com.ibm.websphere.tls.disabledAlgorithms

Cause

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