IIS Reverse Proxy Error 500

On-Premise
#1

I am trying to setup Sentry behind an IIS that is working as Reverse Proxy

The reverse proxy is setup for incoming and outgoing rules. When I navigate to the url then the following request happsn:

  • call to reverse proxy url 302
  • call to /auth/login/ 302
  • call to /auth/login/sentry/ 500 URL Rewrite Module Error.

What I see is that on this request the Accept-Encoding is gzip, deflat.

I have checked the nginx.conf file and there the line gzip off is set.

What am I doing wrong.

Kind regards,
Michael

#2

Without more logs, it is hard to speculate on why. I’m not sure this is related to gzip at all.

#3

Which logs do you need? IIS or nginx?

#4

Both?

#5

ISS tells me 500.52 Outbound rewrite rules cannot be applied when the content of the HTTP response is encoded (“gzip”)
Going into deep when setting the following works: Goto Compression Page and disable “Enable dynamic content compression”
Can this information be added to the readme for other folks?

#6

This seems very specific to ISS and not Sentry, otherwise you are more than welcome to improve our docs over at https://develop.sentry.dev/self-hosted/