Re: 13.1.2 Warnings
Ben Laurie (ben@gonzo.ben.algroup.co.uk)
Thu, 17 Oct 1996 19:37:32 +0100 (BST)
Ari Luotonen wrote:
>
>
> > - HTTP/1.1 & digest:
> > Expecting RFC Real Soon Now.
> > Complaints, editorial advice, ambiguities welcome.
>
> 13.1.2 Warnings says:
>
> ...
> Warnings are always cachable, because they never weaken the transparency
> of a response. This means that warnings can be passed to HTTP/1.0 caches
> without danger; such caches will simply pass the warning along as an
> entity-header in the response.
> ...
>
> This is not right. HTTP/1.0 cache will cache this header, and the
> Warning will remain in the cache file even if the entity is up-to-date
> checked later. So clients could e.g. see a warning saying that the
> response may be stale even if the proxy just did an up-to-date check
> and it was ok.
Wouldn't that mean that the HTTP/1.0 cache was out-of-date wrt the upstream
cache (and hence would refetch and lose the warning header)? Or am I missing
something?
Cheers,
Ben.
--
Ben Laurie Phone: +44 (181) 994 6435
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