On 28 February 2010 12:35, Eric Covener <covener@xxxxxxxxx> wrote:
> On Sun, Feb 28, 2010 at 7:33 AM, Alf Eaton <eaton.alf@xxxxxxxxxxxxxx> wrote:
>> On 27 February 2010 04:12, Jonathan Zuckerman <j.zuckerman@xxxxxxxxx> wrote:
>>> On Fri, Feb 26, 2010 at 6:39 AM, Alf Eaton <alf@xxxxxxxxxx> wrote:
>>>>
>>>> This seems to be something that's been around for a while, but I
>>>> haven't been able to find anything conclusive saying that it's
>>>> supposed to work this way:
>>>>
>>>> I'm using Apache 2.2 as a forward proxy, aiming to cache all responses.
>>>>
>>>> I've set CacheDefaultExpire to 86400 (1 day), so any requests that
>>>> don't have explicit expiry dates should still be cached.
>>>>
>>>> In the logs, I'm still seeing the message.
>>>> "not cached. Reason: Query string present but no explicit expiration time"
>>>>
>>>> It seems that if there's a query string in the request, the default
>>>> expiry date isn't applied, so the response isn't cached.
>>>>
>>>> Is there a way to force responses that have no explicit expiry date to
>>>> be cached, even where the request contains a query string?
>>>>
>>>> alf
>>>>
>>>> Related:
>>>> http://markmail.org/thread/sxxi27pqbce33hlu ("mod_cache:
>>>> CacheDefaultExpire is ignored?")
>>>> http://markmail.org/thread/yy4feryppagv4lem ("mod_disk_cache problem")
>>>> http://markmail.org/thread/6jdxhgn63m7sew3z ("mod_cache and query
>>>> strings")
>>>>
>>>
>>> this might be helpful:
>>> http://httpd.apache.org/docs/2.2/mod/mod_cache.html#cacheignorequerystring
>>
>> Thanks, I did try CacheIgnoreQueryString, but it treats all responses
>> the same regardless of their query string (i.e. requests with
>> different query strings all get the same cached response). I need to
>> be able to cache responses with different query strings distinctly -
>> as if they had query strings and an expiry header.
>
> Can you set Cache-Control s-maxage?
I have no control over the headers set in the responses,
unfortunately, as they're all coming from remote servers (it's a
forward proxy). This is why I was hoping CacheDefaultExpire would
apply in cases where no cache control dates were set by the server,
but it seems not to apply when there's a query string in the proxied
URL.
alf
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