The KDE Window Manager and it's filemanager called Konqueror allows to open a remote site in Konqueror and drag-n-drop or copy-n-paste files between your local system and the remote host. It's pretty easy and comfortable.
Menubar > Go > Network Folders > Add network folder
You need to pass username and password of course, but only the first time - Konqueror remembers these for subsequent access.
Hope this helps,