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Re: [apps-discuss] Looking at Webfinger

"Martin J. Dürst" <duerst@it.aoyama.ac.jp> Thu, 05 July 2012 00:48 UTC

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Date: Thu, 05 Jul 2012 09:48:52 +0900
From: "\"Martin J. Dürst\"" <duerst@it.aoyama.ac.jp>
Organization: Aoyama Gakuin University
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To: Melvin Carvalho <melvincarvalho@gmail.com>
References: <F80C8C9C-7AB8-4B7E-BFD2-4D69499D21A1@mnot.net> <4E1F6AAD24975D4BA5B168042967394366574F93@TK5EX14MBXC283.redmond.corp.microsoft.com> <EEF96DE8-6BEC-40D0-BC77-932E1B8591F9@mnot.net> <1A87B9DE-ECEC-4F07-8734-131D4BB564EB@ve7jtb.com> <CAC4RtVAatJPnOMw3VZZhTxHuG5PdzcoNPMeqH-mhfsA0i47JLg@mail.gmail.com> <911C1091-6D88-4937-BF4C-0FCB264B6AEF@ve7jtb.com> <CAL0qLwZP++ggNOadubb4OsuNw+zqeinQ2V8ACnVu8T0zg05m9w@mail.gmail.com> <CAKaEYhKiL0cuSXEg5z2jNwfzkwF-q1DOa-4txGP0K3xiFbuRDg@mail.gmail.com>
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Cc: Mark Nottingham <mnot@mnot.net>, Barry Leiba <barryleiba@computer.org>, IETF Apps Discuss <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] Looking at Webfinger
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On 2012/07/05 4:05, Melvin Carvalho wrote:

> One question I've been thinking about.  Does the acct: scheme also apply to
> subdomains too, or just the parent domain, or only where an email exists?
>
> For example, are the following four, equivalent ways to describe an account?
>
> acct:bob@facebook.com
> acct:bob@www.facebook.com
> acct:bob@graph.facebook.com
> https://graph.facebook.com/bob

In general, no. If you know a lot about facebook, and you trust them 
that they won't change things, you might be able to infer that the 
account or person behind these URIs is one and the same, but that would 
be at your own risk, and may depend on what exactly you are trying to do.

Regards,   Martin.

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