You should include ` Header set Access-Control-Allow-Origin "*"` in your apache config, next to the lines where you configure mod-tile (inside (look for the LoadTileConfigFile keyword). It should be inside the virtual host)host you have your tile server running in.

You should include ` Header set Access-Control-Allow-Origin "*"` in your apache config, next to the lines where you configure mod-tile (inside the virtual host)