https://bz.apache.org/bugzilla/show_bug.cgi?id=69740
Bug ID: 69740
Summary: Apache/2.4.62 transforms official status codes
Product: Apache httpd-2
Version: 2.4.62
Hardware: PC
OS: Linux
Status: NEW
Severity: major
Priority: P2
Component: mod_proxy_http2
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Apache/2.4.62 transforms official status codes to 200 and 500 when you use H2C
in a ProxyPass declaration but your client keeps talking HTTP/1.1 to Apache.
You may find the whole setup that demonstrates the issue here:
https://github.com/hahanein/apache2-proxy-http2-bug/tree/main
However, here are the results:
🔴 OFFICIAL codes that get TRANSFORMED: 6
These should NEVER be changed by Apache:
- 100 (Continue)
- 101 (Switching Protocols)
- 102 (Processing)
- 103 (Early Hints)
- 418 (I'm a teapot)
- 425 (Too Early)
🟢 UNOFFICIAL codes that are PRESERVED: 0
Regular counts:
- Official codes preserved correctly: 56
- Unofficial codes transformed to 500: 742
🚨 MAJOR BUG: Apache is transforming 6 OFFICIAL status codes!
📋 Consistent: All unofficial codes are transformed to 500
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