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From "Joshua Slive" <jos...@slive.ca>
Subject Re: [users@httpd] Image caching / Expiry times / 304s
Date Tue, 06 Jun 2006 14:35:20 GMT
On 6/6/06, Matthew Claridge <mclaridge@rwa-net.co.uk> wrote:
>
>
> on 06/06/2006 15:16 Joshua Slive said the following:
>
> > On 6/6/06, Matthew Claridge <mclaridge@rwa-net.co.uk> wrote:
> >
> >> Apache does send a Cache-control header of "max-age=0", which if I'm
> >> right means it isn't updatiing the expiry time?
> >
> >
> > It means the content is marked as expired.  What mod_expires config
> > are you using?
> >
> > Joshua.
>
> <Location /images/>
>     <IfModule mod_expires.c>
>         ExpiresActive On
>         ExpiresByType image/jpg A432000
>         ExpiresByType image/jpeg A432000
>         ExpiresByType image/gif A432000
>         ExpiresByType image/png A432000
>         ExpiresByType image/ico A432000
>     </IfModule>
> </Location>

Seems like you have something else weird going on.  The config used on
www.apache.org is
      ExpiresActive On
      ExpiresDefault A86400

And yet I get updated (non-zero) cache-control headers on 304 responses:

> telnet www.apache.org 80
Trying 192.87.106.226...
Connected to www.apache.org.
Escape character is '^]'.
GET / HTTP/1.1
Host: www.apache.org
If-Modified-Since:  Thu, 01 Jun 2006 14:07:19 GMT

HTTP/1.1 304 Not Modified
Date: Tue, 06 Jun 2006 14:31:19 GMT
Server: Apache/2.2.0 (Unix) mod_ssl/2.2.0 OpenSSL/0.9.7g
ETag: "20122-331e-4152a2fa513c0"
Expires: Wed, 07 Jun 2006 14:31:19 GMT
Cache-Control: max-age=86400

So it looks like you have something else in your config that is
resetting your cache-control headers.

Joshua.

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