GitHub user dosubot[bot] added a comment to the discussion: If using a reverse
proxy and finally accessing it with a domain name, some pages would report
errors when accessed
<!-- Answer -->
To address the "400 Bad Request" error you're encountering when accessing
Superset through a reverse proxy with a domain name, you can try the following
solutions:
1. **Ensure Correct Header Configuration**: Make sure your Nginx configuration
is correctly setting the `X-Forwarded-Proto` header to reflect the scheme used
by the client. This helps in generating accurate URLs in redirects. Update your
Nginx configuration as follows:
```nginx
proxy_set_header X-Forwarded-Proto $scheme;
```
2. **Enable Proxy Fix in Superset**: In your `superset_config.py`, enable the
proxy fix to correctly interpret headers set by the reverse proxy. This is
crucial for accurate URL generation in the 'Location' header:
```python
ENABLE_PROXY_FIX = True
PROXY_FIX_CONFIG = {"x_for": 1, "x_proto": 1, "x_host": 1, "x_port": 1,
"x_prefix": 1}
```
3. **Check Redirect Configuration**: Ensure that the `Location` header in HTTP
responses is correctly configured to use HTTPS. This can be managed by ensuring
the `X-Forwarded-Proto` header is set correctly, as mentioned above.
These steps should help resolve the issue with incorrect redirects and the "400
Bad Request" error when accessing Superset through a reverse proxy
<sup>[[1]](https://github.com/apache/superset/discussions/32757)</sup><sup>[[2]](https://github.com/apache/superset/blob/master/superset/config.py)</sup>.
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GitHub link:
https://github.com/apache/superset/discussions/33440#discussioncomment-13148269
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