To set up secure transfer with FTP:
(Conditional) If you want to set up secure transfer with Adobe FTP servers:
Request an Adobe hosted FTP account (50 MB quota).
Create Public/Private RSA keys.
In Linux environment, run:
ssh-keygen -t rsa
In a Windows environment, use puttyGen.
(Conditional) If you want to set up secure transfer with your own FTP location, you must have an SFTP host, username, and the destination site that contain a valid RSA or DSA public key. You can download the appropriate public key when creating the feed.
Create a file named authorized_keys (no extension).
Copy the contents of the Public key into authorized_keys.
Upload authorized_keys to an FTP account:
Test the connection by logging in to the FTP account using SFTP.
For more detailed information, see How to Connect to Adobe via sFTP Without a Password_….