ietf-nntp Alternative HDR parameter proposal
Clive D.W. Feather
clive at demon.net
Thu Jul 31 04:37:47 PDT 2003
Ken Murchison said:
> Here is some text for my alternate HDR proposal. I _believe_ sections
> 10.6.1 are fine as-is.
I finally got round to trying to integrate this, and ran into some
problems.
> The LIST HEADERS command returns a list of headers and metadata items
> that may be retrieved by the HDR command for a newly-received article
> (the headers and metadata items available for articles may change
> over
> time).
Fine.
> A server MUST NOT try to list header and metadata items when it
> advertises
> the HDR ALL capability. In this case, a 503 response MUST be
> returned.
The problem here is that while the possible headers are unlimited, and you
have to look in the articles, the metadata available *has* to be defined by
the server.
Therefore I suggest that there be a different response code (216?) for the
ALL case, which lists only those metadata items supported by the server;
it would be required to include :lines and :bytes.
--
Clive D.W. Feather | Work: <clive at demon.net> | Tel: +44 20 8495 6138
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