Enable SSLv3 and RC4 on modern Firefox browsers for RSA Authentication Manager 8.x
Originally Published: 2016-06-27
Article Number
Applies To
RSA Product/Service Type: Authentication Manager
RSA Version/Condition: 8.x
Platform (Other): Firefox 35.0 to 43.0
Issue
Secure Connection failed
SSL_error_handshake_failure_alert
SSL_ERROR_ILLEGAL_PARAMETER_ALERT
SSL_error_handshake_failure_alert
SSL_ERROR_ILLEGAL_PARAMETER_ALERT
Resolution
- Open a new Firefox tab
- In the address bar, type about:config.
- Accept the warning.
- Search in the search bar for security.tls, then
- Change security.tls.version.min from 1 to 0.
- Change security.tls.version.fallback-limit from 1 to 0.
- Change security.tls.unrestricted_rc4_fallback to true.
Notes
- This is a workaround for customers who are still on Authentication Manager 8.1 pre SP1 Patch 2.
- Also new deployments before applying updates.
- If their Firefox version is new, or updated.
- If they can't enable SSLv3.
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