---
- name: disable gss api authentication
  lineinfile: dest=/etc/ssh/sshd_config regexp='^GSSAPIAu' state=present line='GSSAPIAuthentication no' backrefs=yes
  register: gssapi
  notify: restart sshd

- name: disable dns lookup
  lineinfile: dest=/etc/ssh/sshd_config regexp='^#UseDNS\syes$' state=present line='UseDNS no' backrefs=yes
  register: dns
  notify: restart sshd