Disable an Internet-facing deployment
Disable an Internet-facing deployment (IFD) in one of two ways:
In the Deployment Manager Actions pane, select Disable Internet-Facing Deployment.
In the Deployment Manager console tree, right-click Dynamics 365 Customer Engagement (on-premises), and then select Disable Internet-Facing Deployment.
See also
Configure an Internet-facing deployment
Configure claims-based authentication