Error Code Portal
CloudflareCloudflare HTTP errorsError code

1041

Error 1041: Invalid request rewrite (invalid header value)

Alternative forms: Error 1041

What does this code mean?

Code 1041 · An issue reported by Cloudflare HTTP errors.

Official explanation · Original text

This error indicates that the header value is not valid. The added/modified header value is too long or it contains characters that are not allowed.

Troubleshooting and diagnostic links

First check that the document's product, version, and environment match your situation.

Source and terms of use

Error 1041: Invalid request rewrite (invalid header value) ↗

Creator: Cloudflare, Inc. and contributors
License: Creative Commons Attribution 4.0 International
Checked on: 2026-11-12

Modifications: Selected introductory official description; Markdown stripped; original Korean product context added. Direct official error page retains the complete cause and resolution instructions.

Source details · Original licenses and notices