Re: [squid-users] Question about reverse proxy and Apache Expires headers

Tom Williams wrote:
> So, my Squid-3.0STABLE10 reverse proxy seems to be working just fine
> with one exception: some cached content isn't being properly refreshed
> in the Squid cache.
> Here is the Directory directive where I specify the Expires header
> info in my Apache virtual host config file:
>
> <Directory "/website/tomtest//globaldata">
> ExpiresActive On
> ExpiresByType image/gif M2592000
> ExpiresByType text/css M604800
> ExpiresByType text/javascript M604800
> ExpiresByType application/x-javascript M604800
> ExpiresByType image/jpeg M2592000
> Header append Cache-Control public
> </Directory>
>
> So, for the type image/jpeg, the file is set to expire one month after
> that last time it was modified. Cool. The problem is, when I update
> an image before the month expire time has elapsed, the OLD image in
> the Squid cache is returned instead of the updated image that is
> stored in the directory. I'm sure this is related to a configuration
> issue in my Squid installation but I'm not sure where to start
> researching it.
>
> I saw the refresh_pattern directive in my Squid.conf file and I
> haven't changed that. Is this where I start?
>
> The reason I set a one month expiration time on jpeg images in that
> directory is I don't expect the jpegs in that directory to change very
> frequently but when they DO change, I need Squid to refresh its cache
> as soon as that image is changed (or shortly after).
>
> What should I do to address this?
>
> Thanks!
>
> Peace...
>
> Tom
>
Please ignore this post. I think I found my problem. The images I was
changing were NOT in the above listed directory so something else is
going on.

Peace...

Tom
Received on Sat Dec 20 2008 - 22:57:21 MST