Port 2222

AuthorizedKeysFile /etc/ssh/authorized_keys
PasswordAuthentication no
ChallengeResponseAuthentication no
AllowTcpForwarding no
GatewayPorts no
X11Forwarding no

Subsystem sftp internal-sftp
ForceCommand internal-sftp -d /wptbox
ChrootDirectory /var/www

AllowUsers www-data