different cache per user agent

Stefan Pommerening pom at dmsp.de
Fri Dec 17 15:39:03 CET 2010

Hi Marko,

sounds like your web server sends a vary: header for user-agent.
This might be the reason that you have different variants of the same 
object in cache.

Look here:



Am 17.12.2010 15:23, schrieb Marko Kruijer:
> I've got Varnish working after some struggling, for testing purposes 
> I've set the objects ttl to 15 secs.
> I noticed that when calling a page from Firefox, and immediately after 
> that from Internet Explorer, the served page is different. They are 
> however cached for 15 secs.
> Is this default for Varnish? If I'm correct it is not, there are NO 
> cookies set. What can cause this behaviour?
> Regards,
> Marko 

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