ssl_error_weak_server_ephemeral_dh_key error on Firefox

Document ID:7016655
Creation Date:07-Jul-2015
Modified Date:07-Jul-2015
- Micro Focus Products:
  Access Manager (NAM)

Environment

Access Manager 4.0 SP1
After upgrading to the latest version of Firefox, the web browser gets the error
ssl_error_weak_server_ephemeral_dh_key
when accessing web sites protected by Access Manager

Situation

Weaker Diffie-Hellman ciphers that are no longer considered secure were supported by earlier versions of Access Manager for SSL/TLS communications.

Resolution

It is recommended that these ciphers be disabled, and the easiest way to do this is to apply SP2 to Access Manager 4.0, or upgrade to Access Manager 4.1 or later.