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Re: Question re. OPTIONS, ALLOW

From: Roy T. Fielding <fielding@avron.ICS.UCI.EDU>
Date: Thu, 29 Feb 1996 01:28:06 -0800
To: Ravi Shankar <ravi.shankar@citicorp.com>
Cc: HTTP WG maillist <http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com>
Message-Id: <9602290128.aa22389@paris.ics.uci.edu>
> According to the HTTP/1.1 draft spec, proxy servers must
> strip unrecognized "Options" and "Public" header fields,
> but must pass "Allow" headers unaltered. 
> ...
> Doesnt the other-means-of-communication argument used for Allow
> apply to the other two as well?

No, because Allow refers to the allowed methods of a particular resource
and the others refer to the capabilities of the application on the
server end of the client's immediate connection.  Therefore, Allow is
independent of the means of communication (the intermediaries involved),
whereas OPTIONS and Public refer to the capabilities of the currently
communicating neighbor.

 ...Roy T. Fielding
    Department of Information & Computer Science    (fielding@ics.uci.edu)
    University of California, Irvine, CA 92717-3425    fax:+1(714)824-4056
Received on Thursday, 29 February 1996 01:39:28 UTC

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