Azure proxy is corrupting web application

Question

Hi, we had an enterprise application correctly working under Azure App Proxy until now, we have changed the servers where the application was served and now the application is working correctly in the intranet (because is not going through the proxy on the internal network) but when we try to access to the application through the proxy, it is not loading at all (and the status code is 200) and in the DevTools console of the browser I have the following error:

GET https://XXXXX.XXX login.microsoftonline.com/kmsi:1s.com/ net::ERR_CONTENT_DECODING_FAILED 200 (OK)

What can be happening?

Thank you.

Answer 1

Hi @Javier Soto Martínez

Thank you for reaching out to the community forum!

The error message "net::ERR_CONTENT_DECODING_FAILED" typically indicates that there’s an issue with the HTTP compression of your web server or the way the browser is interpreting the compressed data.
In your case browser is unable to process the response due to decoding issues

Could you please check the below?

• Ensure that the server is correctly configured to handle HTTP compression.
• Check is there are any firewalls, or other proxies between the Azure App Proxy and the new servers, ensure they are not blocking the compressed content.
• Clear your browser cache and cookies.
• Check if the issue persists across different browsers.
• Review the configuration of the new servers to ensure they match the settings of the old servers where the application was working correctly.
• Verify the DNS settings and DNS address.

Hope this helps. Do let us know if you any further queries.

Thanks,

Akhilesh.

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