Re: [squid-users] Granular Vary Header

Hi Henrik,

Thanks for your help.

What kind of modification does it needed?

From my understanding, if the backend server issues
the X-Accelerator-Vary header to the client, through
squid (as a surogate) and the client, in its
subsequent request, does not issue a request with the
same X-Accelerator-Vary header (or Does it?), how
would squid knows which content to serve?

Correct me if i am wrong.

Best Regards,
wee kah

 --- Henrik Nordstrom <hno@squid-cache.org> wrote: >
On Tue, 9 Mar 2004, wee kah wrote:
>
> > Like to know if squid provides a much finer
> support
> > for the http vary header?
> >
> > For example, if i have a response header with
> > "cookie: userid=xxxxx, usergp=yyyy", can squid
> cache
> > base only on the cookie.usergp and not
> > cookie.userid?
>
> No, as there to my knowledge is no Vary header
> syntax for specifying which
> cookie the response entity varies based on, so all
> that the origin web
> serer can say is that the response varies on
> cookies, not which. It is
> very hard for Squid to guess what to look for.
>
> However, if you are in an accelerator context then
> there should be no
> problem extending the X-Accelerator-Vary header with
> a custom syntax for
> this purpose. The amount of modifications needed to
> Squid to support
> this would be very small.
>
> Regards
> Henrik
>

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Received on Tue Mar 09 2004 - 02:51:50 MST