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Which URLs have been accessed from the cache ? - 27.Apr.2005 6:14:00 PM

denizyalcin

Posts: 122
Joined: 19.Jan.2005
From: Turkey
Status: offline

I'm using Webspy to analyze my company's internet usage and I can't see which URLs has been accessed from the cache. I can only know the cache access rate by the hit counts which were made to the internal interface of my ISA box. I'm not sure if it's caused by an error in my Access Policy configuration or if it's something by the design of ISA2004 or if I'm making a mistake in Webspy.

Is it possible to see which sites had been accessed from the cache ?

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RE: Which URLs have been accessed from the cache ? - 28.Apr.2005 10:27:00 AM

tshinder

Posts: 47439
Joined: 10.Jan.2001
From: Texas
Status: offline

Hi Deni,

Cache info log valuesThe Web Proxy log can include a cache info field that specifies the cache status of the object, which indicates why the object was or was not cached. The following table lists the possible cache info values.

Value Description
0x00000001 Request should not be served from the cache.
0x00000002 Request includes the IF-MODIFIED-SINCE header.
0x00000004 Request includes one of these headers: CACHE-CONTROL:NO-CACHE or PRAGMA:NO-CACHE.
0x00000008 Request includes the AUTHORIZATION header.
0x00000010 Request includes the VIA header.
0x00000020 Request includes the IF-MATCH header.
0x00000040 Request includes the RANGE header.
0x00000080 Request includes the CACHE-CONTROL: NO-STORE header.
0x00000100 Request includes the CACHE-CONTROL: MAX-AGE, CACHE-CONTROL: MAX-STALE, or CACHE-CONTROL: MIN-FRESH header.
0x00000200 Cache could not be updated.
0x00000400 IF-MODIFIED-SINCE time specified in the request is newer than cached LASTMODIFIED time.
0x00000800 Request includes the CACHE-CONTROL: ONLY-IF-CACHED header.
0x00001000 Request includes the IF-NONE-MATCH header.
0x00002000 Request includes the IF-UNMODIFIED-SINCE header.
0x00004000 Request includes the IF-RANGE header.
0x00008000 More than one VARY header.
0x00010000 Response includes the CACHE-CONTROL: PUBLIC header.
0x00020000 Response includes the CACHE-CONTROL: PRIVATE header.
0x00040000 Response includes the CACHE-CONTROL: NO-CACHE or PRAGMA: NO-CACHE header.
0x00080000 Response includes the CACHE-CONTROL: NO-STORE header.
0x00100000 Response includes either the CACHE-CONTROL: MUST-REVALIDATE or CACHE-CONTROL: PROXY-REVALIDATE header.
0x00200000 Response includes the CACHE-CONTROL: MAX-AGE or S-MAXAGE header.
0x00400000 Response includes the VARY header.
0x00800000 Response includes the LAST-MODIFIED header.
0x01000000 Response includes the EXPIRES header.
0x02000000 Response includes the SET-COOKIE header.
0x04000000 Response includes the WWW-AUTHENTICATE header.
0x08000000 Response includes the VIA header.
0x10000000 Response includes the AGE header.
0x20000000 Response includes the TRANSFER-ENCODING header.
0x40000000 Response should not be cached.

HTH,
Tom

(in reply to denizyalcin)

Post #: 2