Cross Origin Resource Sharing (CORS)
Web browsers commonly apply same-origin restrictions to network requests. This basically means that a web application running from site A can't access data at site B.
Cross Origin Resource Sharing extends this model by allowing the server B to return the list of allowed origins in a response header. The user agent (web browser) then checks if A is present in that list.
For the simplest
allow all case it's enough to add following line to the response header:
To enable CORS for any RemObjects HTTP server channel, set its
SendCrossOriginHeader property to true and add an
OnSendCrossOriginHeader handler to override the default