---
title: "Certain Headers Can't be Overridden on Chrome Browser"
slug: "certain-headers-cant-be-overridden-on-chrome-browser"
updated: 2023-01-06T15:50:01Z
published: 2023-01-06T15:50:00Z
canonical: "docs.catchpoint.com/certain-headers-cant-be-overridden-on-chrome-browser"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.catchpoint.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Certain Headers Can't be Overridden on Chrome Browser

The following is a list of the headers that cannot be overridden in Chrome browser tests:

- Authorization
- Cache-Control
- Connection
- Content-Length
- Host
- If-Modified-Since
- If-None-Match
- If-Range
- Partial-Data
- Pragma
- Proxy-Authorization
- Proxy-Connection
- Transfer-Encoding

*This list is not guaranteed to be complete nor stable. This is covered in more depth in the Chrome documentation: [http://developer.chrome.com/trunk/extensions/webRequest.html](http://developer.chrome.com/trunk/extensions/webRequest.html)