ssl for nginx apps-vhos

install/tpl/nginx_apps.vhost.master

 server {
         listen {apps_vhost_ip}{apps_vhost_port};
+        ssl {ssl_on};
+        {ssl_comment}ssl_protocols TLSv1 TLSv1.1 TLSv1.2;
+        {ssl_comment}ssl_certificate /usr/local/ispconfig/interface/ssl/ispserver.crt;
+        {ssl_comment}ssl_certificate_key /usr/local/ispconfig/interface/ssl/ispserver.key;
+
+        # redirect to https if accessed with http
+        {ssl_comment}error_page 497 https://$host:{vhost_port}$request_uri;
 
         server_name {apps_vhost_servername};
 
@@ -199,4 +206,4 @@ server {
                alias /var/lib/mailman/archives/public;
                autoindex on;
         }
-}
\ No newline at end of file
+}