Access-Control-Allow-Origin error for one user

Error processing SSI file

Answers

  1. Vicente

    • 2016/5/9

    you have to add headers at server side like

    Access-Control-Allow-Origin: *
    

    Check this link:https://security.stackexchange.com/questions/43639/why-is-the-access-control-allow-origin-header-necessary

  2. Princeton

    • 2021/1/25

    Private APIs should never use * , and should instead have a specific domain or domains set. In addition, the wildcard only works for requests 

  3. Legacy

    • 2017/10/4

    Access-Control-Allow-Origin error for one user. I have a WCF service hosted on the same server as another web app, but on a different port. The web app uses jQuery to perform get/post requests on the WCF service, and after configuring the WCF service to allow cross origin requests it works fine and as expected.

  4. Azariah

    • 2015/8/24

    you have to add headers at server side like. Access-Control-Allow-Origin: *.

  5. Roger

    • 2017/4/24

    Reason: CORS header 'Access-Control-Allow-Origin' missing; Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed; Reason: Credential is not supported if the CORS header ‘Access-Control-Allow-Origin’ is ‘*’ Reason: CORS header ‘Origin’ cannot be added; Reason: CORS preflight channel did not succeed; Reason: CORS request not HTTP

  6. Aayan

    • 2018/6/3

    In this section we explain what the Access-Control-Allow-Origin header is in domain from another through the use of a collection of HTTP headers.

  7. Ward

    • 2021/9/18

    Error: No Access-Control-Allow-Origin header is present on the requested resource. First of all I’ve never seen this before for any WordPress site. Of course, this is not a new term for us as we do have a detailed tutorial on CORS origin for Java: https://crunchify.com/what-is-cross-origin-resource-sharing-cors-how-to-add-it-to-your-java-jersey-web-server/.

  8. Marku

    • 2015/6/16

    "No 'access-control-allow-origin' header present" is one of the least helpful error messages. So, what is it and why is it breaking your web 

  9. Stefan

    • 2017/1/11

    The response to the CORS request is missing the required Access-Control-Allow-Origin header, which is used to determine whether or not the resource can be accessed by content operating within the current origin. If the server is under your control, add the origin of the requesting site to the set of domains permitted access by adding it to the Access-Control-Allow-Origin header's value.

  10. Guillermo

    • 2017/4/12

    The origin's cross-origin resource sharing (CORS) policy allows the origin to return the "Access-Control-Allow-Origin" header. The CloudFront distribution 

  11. Lance

    • 2015/12/18

    Access-Control-Allow-Origin (For Origin) Access-Control-Allow-Headers (For Headers) Access-Control-Allow-Methods (For Methods) Now if you go to your server and check, you can see that all the things are configured perfectly. Configured the API on the server IIS, so going to see Response Header settings in IIS.

  12. Jax

    • 2020/2/4

    Security Note: The examples given below assume a wild-card '*' domain for the Access-Control-Allow-Origin header. This is provided to simplify basic use of 

  13. Cain

    • 2018/8/28

    My CORS implementation included Access-Control-Allow-Origin and Access-Control-Allow-Methods, but not Access-Control-Allow-Headers. Chrome was constantly screaming about this particular header and I was not reading the err msg carefully, so I included that.

  14. Walker

    • 2020/5/25

    can any one have idea this error. alt text. I am setting request headers as shown below. & angular is running in my local (localhost:4200) alt text.

  15. Deandre

    • 2020/11/2

    From a browser you attempt to access a ServiceNow instance at: - https:// CORS Error "Origin https://<hostname> not found in Access-Control-Allow-Origin 

  16. Dalton

    • 2015/3/12

    I'm developing an POC product that connect diferents services, I use Box It see that header is missing so throws a CORS error, which is what you see.

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