Adding SFTP-only user to Ubuntu Server
To add a SFTP-only user, you'll need to make sure your SSH config settings are correct, add a new user/group and set permissions for your new user. For step-by-step directions, see below. Omit
sudo if you're logged in as root.
/etc/ssh/sshd_configand make sure to add the following at the end of the file:
Match group filetransfer ChrootDirectory %h