AW: AW: [squid-users] HttpRequestHeader "If-None-Match" problem with Squid

I added Expires and it works now as aspected

Thanks for your hints.

Matthias

> -----Ursprüngliche Nachricht-----
> Von: Henrik Nordstrom [mailto:hno@squid-cache.org]
> Gesendet: Freitag, 27. Mai 2005 13:51
> An: Matthias Wessendorf
> Cc: squid-users@squid-cache.org
> Betreff: Re: AW: [squid-users] HttpRequestHeader
> "If-None-Match" problem
> with Squid
>
>
>
>
> On Fri, 27 May 2005, Matthias Wessendorf wrote:
>
> > If-Modified-Since is also missing
>
> Do your responses have a Last-Modified? If not there isn't
> anything to
> relate If-Modified-Since to..
>
> > So I have now no idea, why the static content is cacheable,
> but not my dynamic.
>
> What does the cacheability check engine say about your
> dynamic content?
>
> > Is it not possible, to cache dynamic content ?
>
> There is no difference in caching as such. Most dynamic
> content however
> does not have any information telling how long it may be
> cached or when
> the content was last modified so caches assume the content is
> dynamically
> generated for each request and should not be cached..
>
> For something to be cached caches must have some reasonable means of
> knowing the response may be reused for another request. The
> Expires/Last-Modifed/Cache-Control max-age response headers
> play a crucial
> role in this. In addition your refresh_pattern rules is used when no
> explicit expiry is known (Expires/max-age)
>
> Regards
> Henrik
>
Received on Fri May 27 2005 - 06:46:32 MDT