Thru SFTP Server
To create a Thru SFTP Server Endpoint:
Select an organization.
Click the + Add Endpoint button.
Enter the name in the Endpoint Name * field.
Select Thru SFTP Server protocol from the Type * drop-down.
Note the example Public Url in order to make the connection.
Enter a description for the endpoint.
Click the Save button.
After creating this endpoint type to a flow, you will also need to create users who can access it.