Hi guys, when we are using ajax to invoke OpenStack Rest API, We get the error messages about the cross domain: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Orgin' header is present on the requested resource. The response had HTTP status code 401. Could someone give suggestion about this question? Thanks very much. Best Regards, xiangxinyong -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20160902/eadead97/attachment.html>