generate and use random Ephemeral Diffie-Hellman group

roles/easyredmine/tasks/nginx.yml

@@ -21,7 +21,22 @@
     - nginx
     - passenger
 
+- stat: path='{{ dharam_pem_path }}'
+  register: dharam_pem
+
+# https://michael.lustfield.net/nginx/getting-a-perfect-ssl-labs-score
+- name: generate new Diffie-Hellman group
+  command: 'openssl dhparam -out {{ dharam_pem_path }} 2048'
+  sudo: yes
+  notify: restart nginx
+  when: dharam_pem.stat.exists == False
+
 - template: dest='/etc/nginx/conf.d/easyredmine.conf'
+            src=easyredmine.conf.j2
+  sudo: yes
+  notify: restart nginx
+
+- template: dest='/etc/nginx/nginx.conf'
             src=nginx.conf.j2
   sudo: yes
   notify: restart nginx

roles/easyredmine/templates/easyredmine.conf.j2

@@ -0,0 +1,26 @@
+server {
+  listen 80;
+  {% if is_production_vm %}
+  server_name redmine.apidb.org;
+  {% else %}
+  server_name {{ ansible_fqdn }};
+  {% endif %}
+  return 301 https://$host$request_uri;
+}
+
+server {
+  listen 443;
+  {% if is_production_vm %}
+  server_name redmine.apidb.org;
+  {% else %}
+  server_name {{ ansible_fqdn }};
+  {% endif %}
+
+  ssl    on;
+  ssl_certificate     /etc/pki/tls/certs/{{ ansible_fqdn }}.pem;
+  ssl_certificate_key /etc/pki/tls/certs/{{ ansible_fqdn }}.pem;
+
+  root {{ redmine_root_dir }}/public;
+  passenger_enabled on;
+  client_max_body_size 50M;
+}

roles/easyredmine/templates/nginx.conf.j2

@@ -1,32 +1,77 @@
-server {
+# For more information on configuration, see:
-  listen 80;
+#   * Official English Documentation: http://nginx.org/en/docs/
-  {% if is_production_vm %}
+#   * Official Russian Documentation: http://nginx.org/ru/docs/
-  server_name redmine.apidb.org;
+
-  {% else %}
+user  nginx;
-  server_name {{ ansible_fqdn }};
+worker_processes  1;
-  {% endif %}
+
-  return 301 https://$host$request_uri;
+error_log  /var/log/nginx/error.log;
+#error_log  /var/log/nginx/error.log  notice;
+#error_log  /var/log/nginx/error.log  info;
+
+pid        /run/nginx.pid;
+
+
+events {
+    worker_connections  1024;
 }
 
-server {
-  listen 443;
-  {% if is_production_vm %}
-  server_name redmine.apidb.org;
-  {% else %}
-  server_name {{ ansible_fqdn }};
-  {% endif %}
 
-  ssl    on;
+http {
-  ssl_certificate     /etc/pki/tls/certs/{{ ansible_fqdn }}.pem;
+
-  ssl_certificate_key /etc/pki/tls/certs/{{ ansible_fqdn }}.pem;
+    include       /etc/nginx/mime.types;
+    default_type  application/octet-stream;
+
+    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
+                      '$status $body_bytes_sent "$http_referer" '
+                      '"$http_user_agent" "$http_x_forwarded_for"';
+
+    access_log  /var/log/nginx/access.log  main;
+
+    sendfile        on;
+    keepalive_timeout  65;
+    index   index.html index.htm;
+
+    # Load modular configuration files from the /etc/nginx/conf.d directory.
+    # See http://nginx.org/en/docs/ngx_core_module.html#include
+    # for more information.
+    include /etc/nginx/conf.d/*.conf;
+
     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:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-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:!DSS:!DH+3DES;
     ssl_protocols  TLSv1 TLSv1.1 TLSv1.2;
     ssl_prefer_server_ciphers on;
 
+    # https://michael.lustfield.net/nginx/getting-a-perfect-ssl-labs-score
+    ssl_dhparam {{ dharam_pem_path }};
+
     server_tokens off;
     add_header X-Frame-Options SAMEORIGIN;
 
-  root {{ redmine_root_dir }}/public;
+    server {
-  passenger_enabled on;
+        listen       80 default_server;
-  client_max_body_size 50M;
+        server_name  localhost;
+        root         /usr/share/nginx/html;
+
+        #charset koi8-r;
+
+        #access_log  /var/log/nginx/host.access.log  main;
+
+        # Load configuration files for the default server block.
+        include /etc/nginx/default.d/*.conf;
+
+        location / {
+        }
+
+        # redirect server error pages to the static page /40x.html
+        #
+        error_page  404              /404.html;
+        location = /40x.html {
+        }
+
+        # redirect server error pages to the static page /50x.html
+        #
+        error_page   500 502 503 504  /50x.html;
+        location = /50x.html {
+        }
+    }
 }

roles/easyredmine/vars/main.yml

@@ -1,2 +1,4 @@
 ---
 # vars file for easyredmine
+
+dharam_pem_path: /etc/pki/tls/private/dhparam.pem