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Firefox burp suite download files

Pradeep | Last updated: Aug 20, 2024 06:21PM UTC

Hi, I'm running into a weird issue where the downloads are getting stopped midway or not starting at all when I'm using firefox with burp suite proxied in. Not sure how to debug.

Hannah, PortSwigger Agent | Last updated: Aug 21, 2024 01:26PM UTC

Hi To clarify, you're proxying Firefox through Burp, and when you try to download files, the download stops midway through. If you try the same download in Firefox when it is not proxied through Burp, does the download succeed? If you use Burp's browser and try and download the file, does that also fail? You can launch Burp's browser by going to "Proxy > Intercept > Open browser".

Pradeep | Last updated: Aug 22, 2024 03:11PM UTC

Hi, When the firefox is not proxied, have noticed the downloads starting/succeeding. Yes, noticing the same issue when going through burp suite chromium browser.

Hannah, PortSwigger Agent | Last updated: Aug 23, 2024 09:46AM UTC

Do you receive any error messages in your "Event log" in Burp? You may need to enable "Debug" mode. If you open developer tools in your browser and go to the "Console" tab, do you receive any error messages?

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