Re: [radext] [precis] saslprepbis and NAI

Peter Saint-Andre - &yet <peter@andyet.net> Tue, 25 November 2014 16:02 UTC

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Date: Tue, 25 Nov 2014 09:01:17 -0700
From: Peter Saint-Andre - &yet <peter@andyet.net>
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To: Alan DeKok <aland@deployingradius.com>
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Subject: Re: [radext] [precis] saslprepbis and NAI
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On 11/25/14, 8:54 AM, Alan DeKok wrote:
> Peter Saint-Andre - &yet wrote:
>> On 11/14/14, 7:17 AM, Alan DeKok wrote:
>>>     The RADEXT WG is in the last stages of publishing the updated NAI
>>> document:
>>>
>>> https://tools.ietf.org/html/draft-ietf-radext-nai-10
>>>
>>>     This defines a standard for "username@realm" handling, where "realm"
>>> is a fully qualified hostname.  It would be useful to reference that
>>> from the saslprepbis document.
>>
>> What kind of reference do you have in mind? Perhaps a pointer from
>> Section 3.4 ("Application-Layer Constructs")?
>
>    Yes.  Just another indication that there are applications using the
> constructs.

OK. I thought of some good text for this in the middle of the night but 
I neglected to write it down. :(  I'll work to add something in the next 
version.

>> I've just reviewed the NAI specification. Although it does directly not
>> address issues such as width mapping, case mapping, and Unicode
>> normalization (seemingly inheriting its handling of those issues from
>> RFC 5335 for the username portion and from IDNA2008 for the realm
>> portion), as far as I can see it is compatible with saslprepbis.
>
>    Thanks.  RFC 4282 did address many of those issues, and the conclusion
> was it's recommendations were wrong.  This document addresses the issues
> by pointing to other documents.

An eminently sensible approach, I think.

Peter

-- 
Peter Saint-Andre
https://andyet.com/