On 11-03-10 12:09 AM, Joegen E. Baclor wrote:
> On 03/10/2011 11:36 AM, Evgeniy Khramtsov wrote:
>>      From the RFC (3261 and 2617) it is unclear for me whether the "uri"
>> parameter (aka digest-uri) in the WWW-Authorization or
>> Proxy-Authorization header is case-insensitive or not. For instance, are
>> URIs uri="sip:user@domain" and uri="sip:USER@domain" equal or not?
>> <http://tools.ietf.org/html/rfc2617>
>
> RFC 2617 is not specific about this.  Although SIP treats user portion
> of a uri as case insensitive, RFC 2617 seems to indicate that the
> comparison between the digest uri is an opaque comparison against the
> request-uri.  I guess the principle "*Be strict in what you send, but
> generous in what you receive*" applies here.  But then this is a
> security matter and some may argue that would be a bad idea.   I would
> be interested if someone can nail a text in an RFC somewhere that nails
> this.

In most cases, wouldn't the domain be a DNS domain name anyway?

In those cases, we should really treat domain as case-insensitive, since DNS 
is case-insensitive.

-- 
Yves.                                                  http://www.SollerS.ca/
                                                        http://blog.zioup.org/
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