Bug ID 430797: Clicking the Firefox browser Back button on certain pages causes Document Expired message

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP LTM(all modules)

Known Affected Versions:
11.5.0, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.5.4, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 11.5.5, 11.5.6, 11.5.7, 11.5.8, 11.5.9

Opened: Sep 16, 2013
Severity: 3-Major


Pages that are browsed to by an HTTP POST (namely changing the Statistics Type under any of the stats pages) are not normally cached by the browser. So if you click the browser back button to a page that was received via a POST, Firefox displays a Document Expired page.


The browser displays a Document Expired error page.


This occurs when clicking the Firefox browser Back button to a page that was received by an HTTP POST.


None. This is expected behavior for the Firefox browser. To recover, you can click the 'Try Again' button on the Document Expired page. This forces Firefox to cache the page.

Fix Information


Behavior Change