[thelist] windows xp pro caching websites?

chris lists at semioticpixels.com
Mon Jan 23 19:57:27 CST 2006


Thanks Ken - I'll try to see what's happening with ethereal -
unfortunately, I'm not sure I've seen it again since. but will be ready
if I do see it again

chris

On Mon, 2006-01-23 at 12:37 +1100, Ken Schaefer wrote:
> -----Original Message-----
> From: thelist-bounces at lists.evolt.org
> [mailto:thelist-bounces at lists.evolt.org] On Behalf Of chris
> Subject: [thelist] windows xp pro caching websites?
> 
> > There is no caching on the server and (I repeat)
> > browser caches have been emptied. I also see the 
> > old page when viewing from a browser that's never 
> > been used to view that website before.
> 
> I don't see any evidence that the server isn't caching the page, or that some
> intermediate cache isn't serving the page. Sure, your Linux box is seeing the
> new page, but just for argument's sake, are the internet settings (e.g. proxy
> cache settings) identical on both boxes? From where I sit, I don't know. So I
> would be premature in rejecting that as a possibility.
> 
> > So, it seems likely to me that some sort of caching is 
> > going on in Windows XP pro and I have no idea where. I 
> > haven't found any discussions of this in Google. 
> 
> Well, each browser implements its own cache, which is probably why you
> haven't seen any discussion on google. Each browser generally calls into
> WinInet (which is at the upper level of the TCP/IP stack). Caching of HTTP
> responses does not occur within the TCP/IP stack. So, unless you have some
> third party web acceleration software that's doing its own caching, I don't
> think it's Windows XP.
> 
> > Has anyone else noticed this? Any ideas? I'm out of creative
> > explanations. 
> 
> Get a network packet capture using Netmon or Ethereal. Then we can see what's
> actually leaving and being received by the machine. That would help eliminate
> some possibilities.
> 
> Cheers
> Ken 




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