[NNTP] [2505] CAPABILITIES indication of features not
currentlyavailable
Clive D.W. Feather
clive at demon.net
Fri Dec 3 06:34:32 PST 2004
Ruud H.G. van Tol said:
>> we're trying to get *away* from the suck-it-and-see school of protocol
>> design. So I would suggest that the SASL capability should indicate
>> what will be available once a privacy layer is in place. This could
>> be via specific flags:
>
> Is it also useful to indicate what is *not* available?
>
> I first read your '-PLAIN' as 'minus PLAIN', meaning 'PLAIN is not
> supported'.
Hmm.
I have no problem with designing a mechanism that allows a server to
distinguish all three; so:
SASL CRAM-MD5
-483 SASL PLAIN
-- SASL GSSAPI
would mean:
"I do CRAM-MD5, I'll do PLAIN once privacy is in place, but I'll never
do GSSAPI".
Whether there's enough demand that server authors would actually do it is
another question.
--
Clive D.W. Feather | Work: <clive at demon.net> | Tel: +44 20 8495 6138
Internet Expert | Home: <clive at davros.org> | Fax: +44 870 051 9937
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Thus plc | |
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