Update config for nginx linux.

Author: riclolsen

demo-docker/conf/nginx-conf.d/json_scada_http.conf

@@ -23,14 +23,14 @@
 
         # IP-based access control 
 
-        # allow local access only by default
-        allow 0.0.0.0;
+        # allow 
+        allow all;
 
         # to allow more clients/severs, configure the following option
         # allow _IP_hmi_client;
         # allow _IP_hmi_redundant_server;
 
-        deny all;
+        # deny all;
 
         #location / {
         #    root   "/home/jsonscada/json-scada/src/htdocs/";