Port 22 AddressFamily any ListenAddress 0.0.0.0 ListenAddress :: HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_ecdsa_key HostKey /etc/ssh/ssh_host_ed25519_key PermitRootLogin no StrictModes yes MaxSessions 20 PubkeyAuthentication yes AuthorizedKeysFile .ssh/authorized_keys LogLevel INFO #LogLevel DEBUG PasswordAuthentication no ChallengeResponseAuthentication no UsePAM yes AllowAgentForwarding no AllowTcpForwarding no X11Forwarding no PermitTTY no PrintMotd no UsePrivilegeSeparation sandbox PermitTunnel no Subsystem sftp /bin/false