Re: [squid-users] AVG Updates not being cached with squid 2.6?

Richard Chapman wrote:
> I have a more or less default configured squid 2.6 proxy on a centos 5.4
> server.
> I have configured AVG 9 network edition (Virus scanner) to use the squid
> proxy (as opposed to the avg proxy) - and it appears to be doing so.
> However - checking the usage logs - it appears that different client
> machines download identical update (.bin) files within a few hours of
> each other - but do not appear to get a cache hit..
>
> Can anyone suggest why these update files are not being cached (or at
> least not getting cache hits) - and whether there is anything I can do
> to encourage them to be cached?
>
> I have checked the Squid FAQ and searched the archive - and found a
> similar request from 2005. The suggestion there was that the AVG server
> might be using the
>
> "Pragma: no-cache" HTTP header

To be sure take the URL that should be a HIT and enter it at redbot.org.
The whole problems should be easily visible there.

>
> And that at that time there was no suggestion on how to override this.
> Can anyone confirm that this is the reason for the apparently
> unnecessary cache misses - and if so - is there anything new in squid to
> allow us to override?
>

Squid which do not ignore "Pragma: no-cache" treat it the same as
"Cache-Control: no-cache"

Amos

-- 
Please be using
   Current Stable Squid 2.7.STABLE7 or 3.0.STABLE20
   Current Beta Squid 3.1.0.15