To block ciphers
Either:
Select the cipher(s) to block.
Click the checkbox in the table header.
Click Block. A confirmation dialog is displayed to block the selected ciphers.
A Blocked icon displays in the Blocked column for each blocked cipher(s).
To unblock ciphers
Either:
Select the cipher(s) to unblock.
Click the checkbox in the table header.
Click UnBlock. A confirmation dialog is displayed to unblock the selected ciphers.
The Blocked icon is no longer displayed in the Blocked column for each blocked cipher(s).