WLS and EM 12c: Accessing EM and WebLogic Console URL in Browser Gives Error "ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY"
(Doc ID 2054204.1)
Last updated on OCTOBER 30, 2023
Applies to:
Oracle WebLogic Server - Version 10.3 to 10.3.6Enterprise Manager Base Platform - Version 12.1.0.1.0 to 12.1.0.5.0 [Release 12.1]
Information in this document applies to any platform.
Symptoms
Accessing Oracle WebLogic console URL (https://<hostname>:<port>/console) in browser gives the following error:
In Chrome Browser:
Server has a weak, ephemeral Diffie-Hellman public key
ERR_SSL_WEAK_SERVER_EPHEMERAL_DH_KEY
In Firefox Browser:
SSL received a weak ephemeral Diffie-Hellman key in Server Key Exchange handshake message.
(Error code: sl_error_weak_server_ephemeral_dh_key)
Similar error are shown when accessing the EM console URL using the managed server port as below:
https://<hostname>:<port>/em
Enterprise Manager (EM) 12c Cloud Control uses Oracle WebLogic Server 10.3.6 and this also occurs in these environments.
Changes
Recently updated to a new client browser version.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| Oracle Fusion Middleware products including Oracle WebLogic Server |
| Enterprise Manager (EM) 12c Cloud and Grid Control Environments |
| References |