Use this procedure to disable individual protocols or cipher suites as by using the Security Options page in the SMU Administration menu.
Before you begin
It is necessary to have at least one protocol and cipher suite remain enabled.
Navigate to Home>SMU Administration>Security Options to display the Security Options page.By default, all protocols and cipher suites are enabled.
To disable protocols, at Enable HTTPS Protocols, uncheck the check box next to a protocol to change its state to disabled.
To disable cipher suites, use the arrow to move enabled cipher suites from the Enabled Cipher Suites list at the left to the Disabled Cipher Suites list at the right.
Click the apply button at the bottom of the page to apply your changes.