It is not strictly true that SFTP must be accessed through SSH. I actually jacked it into stunnel once, full details in that past post, which google remembers

It is not strictly true that SFTP must be accessed through SSH. I actually jacked it into stunnel once, full details in that past post, which google remembers quite well: https://news.ycombinator.com/item?id=19520422 https://news.ycombinator.com/item?id=19520422 Tinyssh also has no config file; if you want it to service sftp, it must be passed in argv at startup, so less confusion there. And there are two rsyncs now, so you have to be specific about which one. You likely mean the original, and not this one (the same people who wrote this had a showstopper bug in their new mail server): https://www.openrsync.org/ https://www.openrsync.org/