Oct 11, 2020 · scp is always secure, whereas rsync must travel over SSH to be secure. If you want to transfer large files, and if the transfer is disconnected before completion, rsync will pick it up where it left off. Whereas scp doesn't. Therefore use scp if you want to transfer couple of files or directories and go with rsync for multi GB size data.
Launch WinSCP and in the “Session” panel, select “SCP” as the file protocol. Enter your server host name and specify bitnami as the user name. Click the “Advanced…” button and within the “SSH -> Authentication -> Authentication parameters” section, select the private key file for the server.