Restricting the Use of Specific URLs 
An organization may want to restrict the use of specific URLs to prevent them from being displayed in a module. You can define a list of restricted URLs.
You are assigned the portal Content Admin role.
In the portal, navigate to .
In the Portal Catalog, choose .
Open the Configuration iView.
In the Property editor, in the Property Category dropdown list, select Enterprise Workspaces.
Locate the Restricted URLs List property.
Choose Add Value and enter the address of a URL to restrict.
Repeat this step for any additional URLs to restrict.
Save your changes.