The Control Panel allows you to set up new connections to your instances by allow listing IP address ranges. By default, an Adobe Campaign instance is not accessible from various IP addresses. Therefore, an IP address must be added to the allowlist:
To access the Subdomain Management in Control Panel, go to:
Learn how to add an IP range to Campaign instances’ allowlists and how to remove them from the allowlist using the control panel.
For more information on IP allow listing please see the detailed product documentation.