Include /etc/ssh/sshd_config.d/*.conf
Protocol 2
PermitRootLogin no
MaxAuthTries 3
PubkeyAuthentication yes
PasswordAuthentication no
PermitEmptyPasswords no
ChallengeResponseAuthentication no
UsePAM yes
AllowAgentForwarding no
AllowTcpForwarding no
X11Forwarding no
PrintMotd no
TCPKeepAlive no
ClientAliveCountMax 2
UseDNS yes
AcceptEnv LANG LC_*
Subsystem	sftp	/usr/lib/openssh/sftp-server