On Tue, 13 Sep 2011 04:16:22 +0300, Ghassan Gharabli wrote:
Hello Amos, I am trying to cache file .exe from Google but it seems no cacheable! I already tried to customize its cdn and did it successfully ! . The bad thing is when I looked at its header I found that it is not cachable . http://redbot.org/?uri=http%3A%2F%2Fdl.google.com%2Ftag%2Fs%2Fappguid%253D%257B74AF07D8-FB8F-4d51-8AC7-927721D56EBB%257D%2526iid%253D%257BBE1E0610-0F00-E4AD-7AA2-E3CE722A10A2%257D%2526lang%253Den%2526browser%253D2%2526usagestats%253D0%2526appname%253DGoogle%252520Earth%2526needsadmin%253DTrue%2526brand%253DGGGE%2Fearth%2Fclient%2FGoogleEarthSetup.exe HTTP/1.1 200 OK Last-Modified: Thu, 25 Aug 2011 23:00:00 GMT Accept-Ranges: bytes Content-Length: 604488 Content-Type: application/x-msdos-program ETag: 24829 Vary: * Date: Mon, 12 Sep 2011 15:06:54 GMT Server: downloads Is there an ignore option for that [ Vary : * ] ? Thank you Regards, Ghassan
No. What that header value is saying is that there are multiple different objects that could be in this reply which depend on details such as; TCP IPs and ports connected to the server, some background random number generator, whether the server admin had coffee or tea this morning, etc, which cannot be reported for intermediaries to replicate the decision.
ETag which might answer revalidation requests is invalid and cannot be used.
Amos
