IIS QUIC Errors

Kimbo Slice 0 Reputation points
2024-01-28T19:02:06.04+00:00

Is anyone else seeing QUIC errors with IIS? I receive a lot of errors on several servers with it enabled. It is very easy to reproduce the issue on any IIS server I have access to. Here's how

create a batch file

@echo off
:start
C:\Progra~1\curl\curl https://domain.tld --http3 -k
goto start

Or for loopback (to be sure its not firewall related), add --resolve domain.tld:443:127.0.0.1 Now watch the httperr log fill with thousands of lines a minute. Can anyone else reproduce this issue?

Edit: looks like this is common. Can someone from MS please take a serious look at this? I have been reporting it in every way I know how for the past 6 months.

https://stackoverflow.com/questions/74974001/http-3-fallback-on-iis-webserver

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