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EM13c : Using TLS_RSA_WITH_AES_256_CBC_SHA256 Cipher Causes EM Console Access Issue (Doc ID 2863066.1)

Last updated on APRIL 14, 2022

Applies to:

Enterprise Manager Base Platform - Version 13.4.0.0.0 and later
Information in this document applies to any platform.

Symptoms

Enterprise Manager (EM) Cloud Control, was configured to eliminate the weak ciphers.
The cipher used was "TLS_RSA_WITH_AES_256_CBC_SHA256". This Cipher was picked as per the following document:
<Note 2663483.1> - 13.4 & 13.5 : How to Disable Weak SSLCipherSuites in Enterprise Manager 13.4/13.5 Cloud Control

OMS started fine, but the console access fails with following error:

ERR_SSL_VERSION_OR_CIPHER_MISMATCH
Unsupported protocol
The client and server don't support a common SSL protocol version or cipher suite.

  

Cause

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In this Document
Symptoms
Cause
Solution
References


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