Details

This feature sets the minimum protocol version that may be used when negotiating TLS/SSL sessions.

Setting TLS 1.0 as the minimum protocol version mitigates the risk of negotiating an insecure protocol, such as SSL 2.0.

Solution

Perform the following procedure:

* Open the mozilla.cfg file in the installation directory with a text editor

* Add the following lines to mozilla.cfg:

lockPref(“security.tls.version.min”, 1)

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/1158

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

• 800-53|SC-13

Source

• Tenable.com/audits