I am using a react SPA with auth0 for login.
The app is hosted on AWS Amplify, which has a default URL structure of master.123456.amplifyapp.com.
I am using a custom domain to access the app for example: example123.com. The custom domain is applied using CNAME DNS records.
Some of the users are hanging on login, and when I check the logs I can see that there is an callback URL mismatch error.
In the auth0 application I have allowed callbacks to example123.com, but some users are being redirected to master.123456.amplifyapp.com (the non custom domain version) which I dont know why?
What is the reason a user would be redirected to the original URL and not the custom domain URL? It only seems to happen with some users.
Thank you for posting your question on Auth0 Community! Usually, after successful authentication, users are redirected back to the
callback_url sent in the initial Authorization request. Those who get redirected back to the
master.123456.amplifyapp.com URL, are they using a bookmarked authorize URL?
Thanks for the reply.
Can you please clarify your question, I am not entirely sure what you mean by bookmarking the authorise URL.
As far as I am aware the users are visiting the
example123.com URL, but I will check how some users are accessing the app and report back.
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