diff --git a/library/roles/nginx/templates/nginx-server-ssl.conf.j2 b/library/roles/nginx/templates/nginx-server-ssl.conf.j2
index 021c7a0..6511d8b 100644
--- a/library/roles/nginx/templates/nginx-server-ssl.conf.j2
+++ b/library/roles/nginx/templates/nginx-server-ssl.conf.j2
@@ -5,20 +5,38 @@ ssl_certificate_key {{ letsencrypt_acme_certs_dir }}/privkey;
 ssl_certificate {{ nginx_ssl_cert_file | default('/etc/nginx/ssl/server.crt') }};
 ssl_certificate_key {{ nginx_ssl_cert_key | default ('/etc/nginx/ssl/server.key') }};
 {% endif %}
-ssl_session_cache shared:SSL:50m;
-ssl_session_timeout 120m;
-{% if nginx_ssl_level == 'intermediate' %}
+ssl_session_cache shared:SSL:10m;
+ssl_session_timeout 1d;
 ssl_dhparam {{ pki_dir }}/nginx/dhparams.pem;
+{% if nginx_ssl_level == 'old' %}
+{% if ansible_distribution_version is version_compare('18.04', '>=') %}
+ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
+{% else %}
 ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+{% endif %}
+ssl_ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:DHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES256-SHA256:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA;
+ssl_prefer_server_ciphers on;
+{% endif %}
+{% if nginx_ssl_level == 'intermediate' %}
+{% if ansible_distribution_version is version_compare('18.04', '>=') %}
+ssl_protocols TLSv1.1 TLSv1.2 TLSv1.3;
+{% else %}
+ssl_protocols TLSv1.1 TLSv1.2;
+{% endif %}
 ssl_ciphers 'ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS';
+ssl_prefer_server_ciphers off;
 {% endif %}
 {% if nginx_ssl_level == 'modern' %}
 ssl_session_tickets off;
 # modern configuration. tweak to your needs.
+{% if ansible_distribution_version is version_compare('18.04', '>=') %}
+ssl_protocols TLSv1.2 TLSv1.3;
+{% else %}
 ssl_protocols TLSv1.2;
-ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
 {% endif %}
-ssl_prefer_server_ciphers on;
+ssl_ciphers 'ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256';
+ssl_prefer_server_ciphers off;
+{% endif %}
 {% if ansible_distribution_version is version_compare('14.04', '>=') %}
 ssl_stapling on;
 ssl_stapling_verify on;