I tried latest version few days ago, but found relatively hard to configure, also I didn't find anything about encryption in the settings, and all files were st

I tried latest version few days ago, but found relatively hard to configure, also I didn't find anything about encryption in the settings, and all files were stored on disk unencrypted, also the need to have a web UI looks to me like a security risk. Does anyone can recommend service like that but without frontend? I'm really only interesed in syncying files between few of my computers and mobile devices.