KexAlgorithms
curve25519-sha256@libssh.org,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group14-sha1
HostKeyAlgorithms +ssh-rsa
PubKeyAcceptedKeyTypes +ssh-rsa

PermitRootLogin no
PasswordAuthentication no