Re: [SOLVED] Updated web page, but seeing older one?

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On Thu, 01 Jan 2004 21:07:33 -0600
"Rodolfo J. Paiz" <rpaiz@xxxxxxxxxxxxxx> wrote:

> Transparent proxies where ISP's force their caches to keep things for
> too long so they can save bandwidth at the expense of their users
> getting the most recent data screws their users, not the website
> provider. In this case I just happened to be both. Where my box is, who
> controls it, are all irrelevant. As Jason pointed out, even if the box
> were at my feet, by requesting "www.simpaticus.com" I would /STILL/ get
> their cached copy unless I also had split-horizon DNS installed in my
> house.

Rodolfo, 

Have you tried including some cache control directives in
your web pages?

<META HTTP-EQUIV="cache-Control" CONTENT="no-cache">
<META HTTP-EQUIV="Pragma" CONTENT="no-cache"> 

Full spec of cache control directives can be found here:

http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.9

> Which again boils down to why I don't mind transparent proxies (it's a 
> bitch to make money as an ISP), but it bugs the hell out of me to have 
> their cache disregard a refresh request, especially when the page in 
> question HAS changed and the cache doesn't even bother to go look (or 
> worse, refuses to update anyway). Just not nice behavior there.

I don't know but i wonder if specifying a public anonymous proxy in
your browser would bypass your ISP's proxy?  Maybe the same issues exist
even if you're directing requests to an external proxy of your choice?

Sean



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