I was trying to authenticate in our Tableau Server via HTTPS. I enabled the cors in our server and add our host to the allow origin by following this documentation: https://help.tableau.com/current/api/rest_api/en-us/REST/rest_api_concepts_fundamentals.htm#enabling-cors-on-tableau-server-for-the-rest-api
After restarting the server we're still facing some CORS issue when making a POST API.
Here is the screenshot of the response headers below in the actual request:
Here is the screenshot of the response headers below in Pre Flight request:
Is it something related to Web browser / Frontend? Or I'm missing some extra configuration in Tableau server?
We're using React.js in our client that is deployed in S3 Bucket with a nginx proxy server on top of it hosted in an EC2.
Any help would be appreciated. Thanks