Re: An upload that was, but now isn't...

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Off topic I guess,

But MTU fragmentation (especially if the site operates under SSL) can
cause things like this - seen it before.  SSL especially, is very
sensitive to fragmentation.

--
C


On Thu, Nov 21, 2013 at 9:23 AM, PHP List <phplist@xxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> Fair warning - not 100% PHP based question coming, but since it's almost
> Friday, I thought I'd risk it.
>
> My wife posed a question to me today for which I didn't have a very good
> answer and thought I'd check the hive mind here.  At work, she uses a
> certain service to upload PDF files, until about 3 days ago this worked
> well enough.  However, in the past three days when she tries to upload
> through the service she receives a variety of errors from 404 page not
> found, to an unexpected error occurred, to the service is busy, or the
> ever enjoyable endless spinning circle with nothing happening (at one
> point she started an upload, went for lunch, came back to a meeting,
> then on her way out for the evening forgot it was running to find it
> still sitting spinning its wheels).  These files are all typically under
> 1MB, so the entire process itself shouldn't, and until three days ago
> didn't, take all that long.
>
> She's tried to use the same service outside of work (on our home ISP as
> well as two separate cell providers) and it functions as expected.  So,
> she's thinking something on her work network must have changed, but IT
> isn't very interested in the matter.  She has tried on several different
> computers in the office, all producing the same result of the file not
> uploading with one of the above mentioned errors.
>
> I have run into a similar problem in the past with a Hospital client
> that had an IT staff that seemed to enjoy randomly pressing buttons.
> For awhile uploads would work, then one day - from within the office, no
> go - outside the office everything ran as expected.  Eventually the
> problem sorted itself out, which leads me to believe some random setting
> was possibly changed on the network.  In such a situation, any pointers
> on where an investigation may begin?  In my wife's case, I'm not sure
> its an option to ask IT what was changed three days ago as she works in
> a public school system that all connects through a large central
> office.  But if she was able to pose the question a bit more
> specifically, and the stars align themselves, perhaps an answer may be
> found.
>
> If this is a little too far into the OT realm, move along - these aren't
> the droids you're looking for, and have a nice day :D  Otherwise, thanks
> in advance for any advice you may be able to offer.
>
> -Tim



-- 

Regards,
Chris Knipe

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