AW: [Sip] question on privacy 04

[Ruppelt Christian <Christian.Ruppelt@icn.siemens.de>]

The text in 7.1 Untrusted UAC Behavior
says: 
... and the UAC wants to control the privacy 
for any Remote-Party-ID ... by a downstream proxy.
Each of these RPID-privacy headers ...
to maintain privacy of the "addr-spec"

My question is: where does this "addr-spec" come from?
The proxy needs it to add a corresponding Remote-Party-ID.
Could this be outside the scope of the draft?

Christian       

-----Ursprüngliche Nachricht-----
Von: Flemming Andreasen [mailto:fandreas@cisco.com]
Gesendet: Mittwoch, 20. März 2002 16:27
An: Ruppelt Christian
Cc: sip@ietf.org
Betreff: Re: [Sip] question on privacy 04


It can send back a 407 and ask the UAC to authenticate itself. Note that this is
outside the scope of the privacy draft though.

-- Flemming

Ruppelt Christian wrote:

> How could the Proxy-o determine the identity of UA-o (see basic privacy example)?
> The From field (cryptographically random identifier, non identifying hostname)
> could not be used for this. The Remote-Party-ID header is not sent by UA-o.
>
> regards
> Christian
>
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--
Flemming Andreasen
Cisco Systems


_______________________________________________
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This list is for NEW development of the core SIP Protocol
Use sip-implementors@cs.columbia.edu for questions on current sip
Use sipping@ietf.org for new developments on the application of sip