On Sun, 2003-09-14 at 22:59, Bjorn Stabell wrote:
 > Dieter wrote:
 > > Please read the HTTP 1.1 spec...
 > > 
 > >   Caching requires either an "ETag" or "Last-Modified" header.
 > >   For good reasons...
 > That would explain why it never got "fixed", but that's not how I
 > understand the RFC: http://www.w3.org/Protocols/rfc2616/rfc2616.html

I reread the HTTP 1.1 spec and you are right.

Section 13.4 allows any successful response to be cached
unless prohibited by a cache-control directive, while
it does not expect caching if there is neither a cache
validator (ETag, Last-Modified) nor an expiration time.


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