W3C home > Mailing lists > Public > ietf-http-wg-old@w3.org > January to April 1996

Re: Can proxies rewrite Date:?

From: Paul Leach <paulle@microsoft.com>
Date: Fri, 8 Mar 96 15:21:10 PST
To: http-wg-request%cuckoo.hpl.hp.com@hplb.hpl.hp.com, koen@win.tue.nl
Cc: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
Message-Id: red-16-msg960308231400MTP[01.52.00]000000b1-138043
----------
] From: Jeffrey Mogul  <mogul@pa.dec.com>
] Date: Friday, March 08, 1996 11:16AM
]
] All the protocol has to say (with respect to cache behavior) is
] "when combining headers from an old response and a refreshed
] 304 response, always use the more recent value for any fields present
] in both responses."

If digesting is going on, the requirement will likely be a little 
stronger -- the cache won't be able to combine headers from different 
responses, so the server should make sure that it always sends a 
complete set, or that it sends a digest of the set that the cache will 
choose to send, and perhaps the cache should detect if it gets 
out-of-date headers.

Paul
Received on Friday, 8 March 1996 15:19:43 EST

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