500.53 URL rewrite module error with message Outbound rewrite rules cannot be applied when the content of the HTTP response is encoded ('br')

[diepnt90]

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It only happens with Accept-Encoding: br

If we send requests with Accept-Encoding: gzip, there is no issue.

The site is a .Net framework application on Azure web app (Windows).

Already has

<urlCompression doStaticCompression="false" doDynamicCompression="false" />

in the web.config

User-Agent: curl/8.4.0
Accept: /
Accept-Encoding: gzip

• schannel: remote party requests renegotiation
• schannel: renegotiating SSL/TLS connection
• schannel: SSL/TLS connection renegotiated
• schannel: failed to decrypt data, need more data
  < HTTP/1.1 200 OK
  < Content-Length: 117989

User-Agent: curl/8.4.0
Accept: /
Accept-Encoding: br

• schannel: remote party requests renegotiation
• schannel: renegotiating SSL/TLS connection
• schannel: SSL/TLS connection renegotiated
  < HTTP/1.1 500 URL Rewrite Module Error.