Bug#451984: does not check server for updated version of cached download

Mike Hommey mh at glandium.org
Fri Aug 27 12:37:16 UTC 2010

On Mon, Nov 19, 2007 at 05:45:06PM +0100, martin f krafft wrote:
> Package: iceweasel
> Version:
> Severity: important
> Downloading a PDF
> (http://martin-krafft.net/cv/cv_martin-f-krafft.en.pdf) from
> a server without an Expires: tag in the HTTP response causes
> iceweasel to cache the object. Thanks!
> After changing the PDF on the server and trying to download it again
> via iceweasel, doesn't even bother asking the server for
> a modification date but just serves the document straight from
> cache.
> Given how it's not possible to do ctlr-shift-r for downloads, this
> means that it's effectively impossible to circumvent iceweasel's
> cache for downloads. This is broken.

FWIW, as a workaround, you can change the value of the
browser.cache.check_doc_frequency preference.

I do agree, though, that the default behaviour of considering documents
without Expires header as never expiring to be painful for downloaded
documents, thus leaving this (and upstream) bug opened.



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