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Is it possible to see request headers in Developer tools after addons have done their work?

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Hi!


I use Header Editor to remove content-type and content-disposition response headers so that I am not forced to download the resource but rather could view in browser directly. If I use Header Editor to remove them then Firefox starts to open this image or audio in Firefox itself just as I would expect from removing those headers. However when I view response in Developer Tools then I still see original headers. I suspect that it is because Developer Tools shows headers before any addons has chance to change them? If so is there a way to configure dev tools to show headers after all addons have finished their work so that it would be easier to debug the final result?

Hi! I use Header Editor to remove content-type and content-disposition response headers so that I am not forced to download the resource but rather could view in browser directly. If I use Header Editor to remove them then Firefox starts to open this image or audio in Firefox itself just as I would expect from removing those headers. However when I view response in Developer Tools then I still see original headers. I suspect that it is because Developer Tools shows headers before any addons has chance to change them? If so is there a way to configure dev tools to show headers after all addons have finished their work so that it would be easier to debug the final result?