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Re: Decision about Host?

From: Roy T. Fielding <fielding@avron.ICS.UCI.EDU>
Date: Fri, 06 Oct 1995 18:12:50 -0700
To: David Robinson <drtr1@cus.cam.ac.uk>
Cc: http-wg%cuckoo.hpl.hp.com@hplb.hpl.hp.com
Message-Id: <9510061812.aa03902@paris.ics.uci.edu>
> False. The server may be behind a firewall, proxy or accelerator; the
> port on which it is listening may not be the port the client used.
> I suggest that HOST include the port number. It does no harm, and there
> can be (useful) cases where the port number is not available to the
> server.

No.  The only server capable of changing the port number must already
be under the control of the site for which disambiguation of the
hostname is necessary.  In this case, the server receiving the request
may do a million different things to further disambiguate the request
before passing it on, including adding additional headers or just
changing the Request-URI, and thus including the port number is never

 ....Roy T. Fielding  Department of ICS, University of California, Irvine USA
                      fielding@ics.uci.edu  <http://www.ics.uci.edu/~fielding/>
Received on Friday, 6 October 1995 18:18:47 UTC

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