Re: [idn] IDN spoofing

[William Tan <wil@dready.org>]

Erik van der Poel wrote:

> If the lookalike mapping is not set in stone at the protocol level 
> (i.e. embedded in the app), then the registry will have to activate 
> *all* the variants, otherwise the app will not be able to look up all 
> of them. No?

For many variants, it's good enough to block them from being registered 
by phishers. One wouldn't expect the users to type in "coca-co1a.com" 
(with latin "1" instead of "l"), right?

> Alternatively, you could embed each registry's lookalike mapping table 
> into the app and just activate one of the variants. I feel like I'm 
> missing something...
That wouldn't be a good idea, for reasons that John explained in an 
earlier mail about blacklists.

wil.