- name: Disable dns for sshd
  become: true
  ansible.builtin.lineinfile:
    path: /etc/ssh/sshd_config
    regexp: "^UseDNS "
    line: UseDNS no
    backup: true

- name: Disable GSS api auth for sshd
  become: true
  ansible.builtin.lineinfile:
    path: /etc/ssh/sshd_config
    regexp: "^GSSAPIAuthentication "
    line: GSSAPIAuthentication no
    backup: true

- name: Disable root ssh login
  become: true
  ansible.builtin.lineinfile:
    path: /etc/ssh/sshd_config
    regexp: "^PermitRootLogin no"
    line: PermitRootLogin no
    backup: true

- name: Disable ssh login by password
  become: true
  ansible.builtin.lineinfile:
    path: /etc/ssh/sshd_config
    regexp: "^PasswordAuthentication no"
    line: PasswordAuthentication no
    backup: true