Cross-Origin Request Blocked The Same Origin Policy disallows reading the remote resource at

Question

I m using CometChat in my website and recently my users art having this problem with receiving messages  After inspection in FireBug i realized it must be because of the CORS protection  due to the following error  that the script is failing      Cross-Origin Request Blocked  The Same Origin Policy disallows reading   the remote resource at   http   x3 chatforyoursite com subscribe       This can be fixed by moving the resource to the same domain or   enabling CORS    Now I m wondering where should I enable CORS because it is enabled on my own server and I have no access to the CometChat server

User · Accepted Answer

The server at x3 chatforyoursite com needs to output the following header   Access-Control-Allow-Origin  http   www example com  Where http   www example com is your website address  You should check your settings on chatforyoursite com to see if you can enable this - if not their technical support would probably be the best way to resolve this  However to answer your question  you need the remote site to allow your site to access AJAX responses client side

User · Answer

The use-case for CORS is simple  Imagine the site alice com has some data that the site bob com wants to access  This type of request traditionally wouldn   t be allowed under the browser   s same origin policy  However  by supporting CORS requests  alice com can add a few special response headers that allows bob com to access the data  In order to understand it well  please visit this nice tutorial   How to solve the issue of CORS

[ajax] Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at

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