Hi @luccijenya,

Can you please make sure the following is present in your /etc/ssh/sshd_config

Subsystem sftp internal-sftp
Match group sftponly
ChrootDirectory /home/%u
X11Forwarding no
AllowTcpForwarding no
ForceCommand internal-sftp

Additionally, Often SFTP error arises when ssh is not properly installed on the server. So, when you try to connect to SFTP server it always gives error “ssh: connect to host x.x.x.x port 22: Connection refused“.

In Linux servers, we check and make sure that SSH is installed properly by executing the command

dpkg --get-selections | grep ssh

If there is an error, then we install it correctly by running the command:

apt-get install openssh-server

Finally, we restart the service and ensure that the user could connect to SFTP server without any failure.

Regards,
KDSys

We have such info in this file /etc/ssh/sshd_config :
http://prntscr.com/po49s5