Changeis for proxy_protocol and apply default values

defaults/main.yml

@@ -84,6 +84,18 @@ nginx_http_gzip_disable: '"msie6"'
 #
 nginx_custom_http: []
 
+#
+# Nginx default
+#
+nginx_default_listen:
+  - '80'
+  - '[::]:80'
+nginx_default_listen_ssl:
+  - '443'
+  - '[::]:443'
+nginx_default_listen_proxy_protocol: []
+nginx_default_listen_proxy_protocol_ssl: []
+
 #
 # Sites
 #