Subsystem sftp internal-sftp -u 0002
AuthorizedKeysFile /etc/ssh/authorized_keys/%u %h/.ssh/authorized_keys .ssh/authorized_keys
Match Group sftponly
  ChrootDirectory %h
  ForceCommand internal-sftp -u 0002
  AllowTcpForwarding no
  X11Forwarding no
  PasswordAuthentication no