I-D ACTION:draft-ietf-http-warning-00.txt

 A New Internet-Draft is available from the on-line Internet-Drafts 
 directories. This draft is a work item of the HyperText Transfer Protocol 
 Working Group of the IETF.                                                

       Title     : Problem with HTTP/1.1 Warning header, and proposed fix  
       Author(s) : J. Mogul, A. Luotonen
       Filename  : draft-ietf-http-warning-00.txt
       Pages     : 13
       Date      : 03/19/1997

The current HTTP/1.1 (RFC2068) specification introduces a new "Warning" 
header, meant to carry status information about a request that cannot or 
should not be carried by the response status code.  The existing 
specification for the interaction between Warning and HTTP caches is 
faulty, in that it may allow incorrect results after cache validation 
operations.  This document identifies two separate (but related) problems, 
and proposes revisions of the HTTP/1.1 specification to solve these 
problems.                                                                  

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