Overview
A 502 Bad Gateway error is seen during the login process after configuring a reverse proxy to communicate with Auth0. The vendor confirms that the reverse proxy requests are being sent to the origin domain name.
Applies To
- Self-managed custom domain
- Reverse Proxy
Cause
This issue is caused by a misconfiguration on the reverse proxy. Usually, in this situation, the request does not reach Auth0, so check with the vendor that is used to troubleshoot the issue.
Solution
Confirm that this 502 error message is coming from the reverse proxy by gathering a HAR file of the reproduction. The response header from this 502 error message will contain the server.