To create a mask:
On the ESA Web UI, navigate to Policy Management > Data Elements & Masks > Masks.
Click Add New Mask.
The New Mask screen appears.
Enter a unique name for the mask in the Name text box.
Enter the description for the mask in the Description textbox.
Select CCN 6X4 from the Mask Template drop-down.
Select Clear from Mask Mode.
Select the masking character from the Character drop-down.
Click Save.
A message Mask has been saved successfully appears.
Last modified February 7, 2025