Changed upstream IP to always connect over IPv4

Author: TrafeX

config/nginx.conf

@@ -94,7 +94,7 @@ http {
             fastcgi_busy_buffers_size 256k;
 
             fastcgi_index index.php;
-            fastcgi_pass localhost:9000;
+            fastcgi_pass 127.0.0.1:9000;
 
             fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;
             include fastcgi_params;