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Re: caching dynamic image content

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Terry wrote:
Just to further prove its not being cached, here's the header:

GET /Pic.aspx?i=db1edbcd-2375-4bae-b33f-a53ced60deed HTTP/1.1
Host: foo.domain.com
User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US;
rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 (.NET CLR 3.5.30729)
Accept: image/png,image/*;q=0.8,*/*;q=0.5
Accept-Language: en-us,en;q=0.5
Accept-Encoding: gzip,deflate
Accept-Charset: ISO-8859-1,utf-8;q=0.7,*;q=0.7
Keep-Alive: 300
Connection: keep-alive
Referer: https://foo.domain.com/
Cookie: com.domain.foo_SessionID=kua4ew454kjodsjpdlojdu55
Cache-Control: max-age=0

This is a request header (GET, Host:, User-Agent, etc.), which specifies the retrieved object should NOT come from a cache (Cache-Control: max-age=0). The response to this request will not be returned by an (RFC compliant) intermediary cache. The response to that same request, minus the Cache-Control header would better show if the object is cacheable.

Chris


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