Port 22 AddressFamily any ListenAddress 0.0.0.0 ListenAddress :: HostKey /sshkeys/host/ssh_host_rsa_key HostKey /sshkeys/host/ssh_host_ed25519_key PermitRootLogin no StrictModes yes MaxSessions 20 PubkeyAuthentication yes AuthorizedKeysFile .ssh/authorized_keys LogLevel INFO PasswordAuthentication no ChallengeResponseAuthentication no UsePAM yes AllowAgentForwarding no AllowTcpForwarding no X11Forwarding no PermitTTY no PrintMotd no PermitTunnel no Subsystem sftp /bin/false ClientAliveInterval 10 ClientAliveCountMax 30