xoxys.nginx/templates/etc/nginx/conf.d/tls.conf.j2

# {{ ansible_managed }}
# certificate settings
ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-SHA';
ssl_prefer_server_ciphers on;

ssl_protocols TLSv1.2;
ssl_session_cache shared:SSL:10m;
{% if nginx_pfs_enabled and nginx_dhparam_file is defined %}
ssl_dhparam {{ nginx_dhparam_file }};
{% endif %}