#Config for sftp user in group sftp
sudo nano /etc/ssh/sshd_config
# override default of no subsystems
Subsystem sftp /usr/lib/openssh/sftp-server
# Example of overriding settings on a per-user basis
Match Group sftp
ChrootDirectory /ftpusers/HomeFolder/
X11Forwarding no
AllowTcpForwarding no
PermitTTY no
ForceCommand internal-sftp