cors Archives - Page 3 of 4

Origin is not allowed by Access-Control-Allow-Origin

I’m making an Ajax.request to a remote PHP server in a Sencha Touch 2 application (wrapped in PhoneGap). The response from the server ...

May 11, 2022
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Request header field Access-Control-Allow-Headers is not allowed by itself in preflight response

I have come across CORS issues multiple times and can usually fix it but I want to really understand by seeing this from ...

May 11, 2022
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Access-Control-Allow-Origin wildcard subdomains, ports and protocols

I’m trying to enable CORS for all subdomains, ports and protocol. For example, I want to be able to run an XHR request ...

May 8, 2022
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How can you debug a CORS request with cURL?

How can you debug CORS requests using cURL? So far I couldn’t find any way to “simulate” the preflight request . 5 Answers ...

May 8, 2022
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CORS: Cannot use wildcard in Access-Control-Allow-Origin when credentials flag is true

I have a setup involving Frontend server (Node.js, domain: localhost:3000) <—> Backend (Django, Ajax, domain: localhost:8000) Browser <– webapp <– Node.js (Serve the ...

May 7, 2022
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What are the integrity and crossorigin attributes?

Bootstrapcdn recently changed their links. It now looks like this: <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" integrity="sha256-MfvZlkHCEqatNoGiOXveE8FIwMzZg4W85qfrfIFBfYc= sha512-dTfge/zgoMYpP7QbHy4gWMEGsbsdZeCXz7irItjcC3sPUFtf0kuFbDz/ixG7ArTxmDjLXDmezHubeNikyKGVyQ==" crossorigin="anonymous"> What do the integrity and crossorigin attributes ...

May 7, 2022
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What is the motivation behind the introduction of preflight CORS requests?

Cross-origin resource sharing is a mechanism that allows a web page to make XMLHttpRequests to another domain (from Wikipedia). I’ve been fiddling with ...

May 5, 2022
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Why is an OPTIONS request sent and can I disable it?

I am building a web API. I found whenever I use Chrome to POST, GET to my API, there is always an OPTIONS ...

May 2, 2022
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“Origin null is not allowed by Access-Control-Allow-Origin” error for request made by application running from a file:// URL

I’m developing a page that pulls images from Flickr and Panoramio via jQuery’s AJAX support. The Flickr side is working fine, but when ...

April 30, 2022
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Response to preflight request doesn’t pass access control check

I’m getting this error using ngResource to call a REST API on Amazon Web Services: XMLHttpRequest cannot load http://server.apiurl.com:8000/s/login?login=facebook. Response to preflight request ...

April 29, 2022
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