Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

搜尋 Mozilla 技術支援網站

防止技術支援詐騙。我們絕對不會要求您撥打電話或發送簡訊，或是提供個人資訊。請用「回報濫用」功能回報可疑的行為。

Learn More

此討論串已被封存。 如果您有需要幫助，請新增一個新問題

Firefox private browsing trims request referrer headers.

  • 1 回覆
  • 1 有這個問題
  • 7 次檢視
  • 最近回覆由 philipp

matthew.was
matthew.was
more options

A site I develop for checks authenticity by checking a passed value confirming it it valid for a given referring url. The request has a referrer header which in regular windowed firefox is the full url of the requesting site. In private browsing mode the referrer header is only the host part of the url and does not contain the full path. It is the path that is commonly required to verify the site. Is this expected behaviour or a bug?

This has been confirmed both on macOS and Windows 10 using Firefox Quantum 61.0.

A site I develop for checks authenticity by checking a passed value confirming it it valid for a given referring url. The request has a referrer header which in regular windowed firefox is the full url of the requesting site. In private browsing mode the referrer header is only the host part of the url and does not contain the full path. It is the path that is commonly required to verify the site. Is this expected behaviour or a bug? This has been confirmed both on macOS and Windows 10 using Firefox Quantum 61.0.

所有回覆 (1)

philipp
philipp
  • Moderator
more options

hi, yes that appears to be the intended behaviour accoring to https://blog.mozilla.org/security/2018/01/31/preventing-data-leaks-by-stripping-path-information-in-http-referrers/