Headers Middleman
Add, remove, or modify HTTP Headers for any request based on a regular expression
Headers Middleman - Modify HTTP Headers
Headers Middleman is a Firefox add-on that allows you to easily add, remove, or modify HTTP Headers for any request based on a regular expression.
Add-on stats
Weekly download count: NaN
Firefox on Android: Yes
Risk impact: High risk impact 
Risk likelihood:
Manifest version: 2
Permissions:
- webRequest
- webRequestBlocking
- <all_urls>
- storage
Size: 529.18K
URLs: Website
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Add-on summary
Add, remove, or modify HTTP Headers for any request based on a regular expression
User reviews
I found this extension can not override existing HTTP headers. I tested with a 64bit Firefox 55.0 using a blank profile on Windows 7. What a pity!
By the way, do you have any plan to support adding annotations for rules?
by Yandong, 2017-08-06
Add-on safety
Risk impact
Headers Middleman requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk likelihood
Headers Middleman is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.
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