On Oct 26, 2008, at 5:45 AM, Iñaki Baz Castillo wrote:
El Domingo, 26 de Octubre de 2008, Dean Willis escribió:
A new I-D, draft-kuthan-sip-derive-00, was just submitted. Your
comments are always welcome.
Sounds like you have reinvented identd, which has pretty much
vanished
from the Internet because it was found to not really add any useful
authentication.
draft-kuthan-sip-derive-00 proposal is 100% SIP based instead of
depending on
other protocols. IMHO it has *nothing* to do with Identd mechanism.
But it is very much LIKE the ident mechanism, in that, in response to
a connection attempt, the connected party does a reverse-to-host
connection to ask "Is this from you, and which user is it from"?
You've just implemented a complicated version of a return-routability
check.
--
Dean
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