In order to connect to a server, either through a client application or an API, you must set up a public SSH key and add the IP address that connects to your SFTP server to the allow list.
Check out this how-to video tutorial that shows step by step how to add an IP range to the allow list: Adding IP Addresses to Allow Lists
In case you have any questions after watching this video, please feel free to post them below or reach out through the community Q and A section.
In case you have any ideas and/or suggestions regarding the Campaign Standard product, then kindly submit them here.
Does ACS need such allow list? I guess no but if I did add one, wil I never be asked for the verification code etc which pops up sometimes while loging in to ACS UI?