RE: [squid-users] Oracle Portal

Thanks Henrik I will have a look

-----Original Message-----
From: Henrik Nordstrom [mailto:hno@squid-cache.org]
Sent: 02 December 2003 14:01
To: Manfred Milhofer
Cc: squid-users@squid-cache.org
Subject: Re: [squid-users] Oracle Portal

On Tue, 2 Dec 2003, Manfred Milhofer wrote:

> Hi
>
> We have a client who is using Oracle Portal behind a Squid proxy. They
> are having a problem whereby documents published via the portal appear
> to be cached by the proxy, that is, if an existing document is updated
> then the new version is often not seen by users who access the portal
> via the proxy - they continue to see the old version. Users who bypass
> the proxy always see the updated document.
>
> The steps taken to try and sort the problem are:
>
> - disable caching on the PC ('always refresh' in the browser)
> - disable caching in the portal
> - configure the proxy so that it "proxies but no longer caches any
> data" (the clients words - I know little about proxies)
>
> Has anyone any experiences similar to this which they could share with
> me?

I would recommend you to read the "Caching Tutorial for web masters"
document <url:http://www.mnot.net/cache_docs/>. This document explains in detail how the whole picture pulls together and what should be done to applications/servers to work properly in precense of caches.

It also explains many of the common errors which is often done, allowing
you to not repeat the same stupid mistakes.

This document should be mandatory reading for anyone who designs a web
system for publishing content.

Regards
Henrik

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