[Users] 407 and algorithm=MD5

[Cesc]

I don't really understand who fails to do what ... but in any case, if
MD5 is the default, neither openser proxy or the phone sending the
invite should complain for a missing algorithm=MD5 parameter ... both
should simply assume this value unless specified otherwise ... thus,
the phone, when re-sending the INV with the authentication material,
it should do so with MD5 algorithm ...


Cesc

On 2/1/07, Bruno Machado <bsmufu at yahoo.com.br> wrote:
>
> The section 3.2.1 (The WWW-Authenticate Response Header) from RFC 2617 says:
>
> "algorithm
>  A string indicating a pair of algorithms used to produce the digest
>  and a checksum. If this is not present it is assumed to be "MD5".
> "
>
> I send a INVITE to Openser but it send back a 407 (Proxy Authentication).
> The parameter response was OK. But, without the parameter 'algorithm', the
> proxy
> didn't allow the authentication. It neither consult at Radius.
> Looking at the RFC above, the SIP proxy must to use MD5 by default, but it
> don't accept the message without the parameter. Who needs to assume the
> algorithm?
> UAC or SIP Proxy?
>
> Can it be a bug of OpenSER? Or my interpretation is
>  wrong?
>
> Best regards.
>
> Bruno Machado
>
>
>
>
> ----- Mensagem original ----
> De: Bogdan-Andrei Iancu <bogdan at voice-system.ro>
> Para: Bruno Machado <bsmufu at yahoo.com.br>
> Cc: users at openser.org
> Enviadas: Segunda-feira, 29 de Janeiro de 2007 14:21:31
> Assunto: Re: [Users] 407 and algorithm=MD5
>
> Hi Bruno,
>
> you cannot configure to have the algorithm param added. If I'm not
> wrong, the digest RFC says this is an optional param and the default
> value is MD5.
>
> regards,
> bogdan
>
> Bruno Machado wrote:
>
> > Hi.
> >
> > When I use the function proxy_challenge(), the 407 don't have the
> > parameter 'algorithm=MD5'. Look below:
> >
> > ...
> > Proxy-Authenticate: Digest realm="proxy.com.br",
> > nonce="45be00f941f137ff037436c77f80a9531a02155f".
> > ...
> >
> > How can I put this parameter in digest informations?
> >
> > ...
> > Proxy-Authenticate: Digest realm="proxy.com.br",
> > nonce="45be00f941f137ff037436c77f80a9531a02155f",
> > algorithm="MD5".
> > ...
> >
> >
> > Thanks in advance.
> >
> > Bruno
> >
> > __________________________________________________
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> >
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>
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