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https://issues.apache.org/jira/browse/AIRFLOW-6549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kaxil Naik resolved AIRFLOW-6549.
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Resolution: Fixed
> Configuration related to reverse proxy is loaded using wrong data type.
> -----------------------------------------------------------------------
>
> Key: AIRFLOW-6549
> URL: https://issues.apache.org/jira/browse/AIRFLOW-6549
> Project: Apache Airflow
> Issue Type: Bug
> Components: configuration
> Affects Versions: 1.10.7
> Reporter: Mathieu Poussin
> Priority: Major
>
> The configuration management system is loading the variables related to
> reverse proxy fix handling with the wrong format, example with the following
> configuration :
>
> {code:java}
> enable_proxy_fix = True
> proxy_fix_x_for = 1
> proxy_fix_x_proto = 1
> proxy_fix_x_host = 1
> proxy_fix_x_port = 1
> proxy_fix_x_prefix = 1
> {code}
> When running the webserver, a 500 is returned with the following stacktrace:
>
> {code:java}
> TypeError: '>=' not supported between instances of 'int' and 'str'
> File "flask/app.py", line 2463, in __call__
> return self.wsgi_app(environ, start_response)
> File "werkzeug/middleware/proxy_fix.py", line 195, in __call__
> x_for = self._get_trusted_comma(self.x_for,
> environ_get("HTTP_X_FORWARDED_FOR"))
> File "werkzeug/middleware/proxy_fix.py", line 166, in _get_trusted_comma
> if len(values) >= trusted:
> {code}
> When analysic local variable (thanks Sentry), I can see that trusted is equal
> to '1' (as string) and not 1 (as int) as it should be.
>
> This makes the usage of reverse proxy impossible.
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