# 8.2: Ubuntu 20.04
# 8.4: Debian 11 & Suse 15.3

ssh_hardening_opts:
  KexAlgorithms:
    - curve25519-sha256
    - curve25519-sha256@libssh.org
    - diffie-hellman-group16-sha512
    - diffie-hellman-group18-sha512
    - diffie-hellman-group-exchange-sha256
  Ciphers:
    - chacha20-poly1305@openssh.com
    - aes256-gcm@openssh.com
    - aes128-gcm@openssh.com
    - aes256-ctr
    - aes192-ctr
    - aes128-ctr
  MACs:
    - hmac-sha2-256-etm@openssh.com
    - hmac-sha2-512-etm@openssh.com
    - umac-128-etm@openssh.com
  HostKeyAlgorithms:
    - ssh-ed25519
    - ssh-ed25519-cert-v01@openssh.com
    - sk-ssh-ed25519@openssh.com
    - sk-ssh-ed25519-cert-v01@openssh.com
    - rsa-sha2-512
    - rsa-sha2-512-cert-v01@openssh.com
    - rsa-sha2-256
    - rsa-sha2-256-cert-v01@openssh.com