[SR-Users] loose_route security

Iñaki Baz Castillo ibc at aliax.net
Sun Apr 17 13:34:43 CEST 2011


2011/4/16 Juha Heinanen <jh at tutpro.com>:
>> - Later alice sends a REFER or a re-INVITE. Note that the request
>> would contain "From: sip:200 at domain.org" (even if the AoR of alice us
>> "sip:alice at domain.org". This is because From/To URI are usually
>> unchanged whithin a dialog.
>
> inaki,
>
> refer would contain header
>
> Referred-By: sip:alice at domain.org
>
> which k would use for Proxy-Authorization.

Hi Juha, Referred-By header is not part of REFER specification but an
extension (RFC 3892) and it's not mandatory:

  2.1.  Referrer Behavior

   A UA sending a REFER request (a referrer) MAY provide a Referred-By
   header field value in the request.

-- 
Iñaki Baz Castillo
<ibc at aliax.net>



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