Description
This article describes how to disable version 1.1 of the TLS protocol on a FortiDDOS B series model as an admin.
Scope
Any FortiDDOS B series appliance, FortiOS 5.7.0.
Solution
A new feature has been introduced in FortiOS 5.7.0 to disable version TLS 1.1 for admin management.
Upgrade to 5.7.0 version if the appliance is running 5.7.0 or below.
Navigate to System -> Admin -> TLS Version -> Version and then disable the 'Enable Version 1.1' option.
Note: Clear the browser cache if TLS version details are not visible after upgrading to FortiOS 5.7.0.
