CRYPTO_POLICY='-oCiphers=aes256-gcm@openssh.com,chacha20-poly1305@openssh.com,aes256-ctr,aes256-cbc -oMACs=umac-128-etm@openssh.com,hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,umac-128@openssh.com,hmac-sha2-256,hmac-sha2-512 -oGSSAPIKeyExchange=no -oKexAlgorithms=ecdh-sha2-nistp521,diffie-hellman-group16-sha512,diffie-hellman-group18-sha512'