---

- name: Install Amazon-Linux-specific support packages
  yum:
    name:
      - dejavu-sans-fonts
      - file
      - git-{{ git_version }}
      - libxml2
      - shadow-utils

- name: Limit the SSH ciphers
  lineinfile:
    path: "/etc/ssh/sshd_config"
    # Drop insecure ciphers, currently 3des-cbc only. You can get the
    # full list with `sshd -T | grep -i ciphers`
    regexp: '^[Cc]iphers'
    line: "Ciphers chacha20-poly1305@openssh.com,aes128-ctr,aes192-ctr,aes256-ctr,aes128-gcm@openssh.com,aes256-gcm@openssh.com,aes128-cbc,aes192-cbc,aes256-cbc,blowfish-cbc,cast128-cbc"
    insertbefore: "BOF"
  ignore_errors: yes  # No sshd == no problem