From: Stephane Bortzmeyer (email@example.com)
Date: Thu Oct 05 2006 - 02:40:15 CST
On Thu, Oct 05, 2006 at 09:32:08AM +0200,
Philippe Verdy <firstname.lastname@example.org> wrote
a message of 10 lines which said:
> * avoiding labels using multiple scripts and informing users when an
> IDN label may contain confusable characters. This is for the
> immediate client-side need.
And it is a terrible idea because, in many countries, Latin letters are
used together with the local script, at least in the computing domain
(Russia is a good example).
> * developing a standard within the DNS that allows each DNS server
> to specify which set of non confusable characters it accepts for
> registration as subdomain names.
Warning: registration is not done at the DNS server but at the
registry system. There are much less registries than DNS servers so
the need of a standard is less obvious.
Otherwise, there *is* a standard to express the list of authorized
characters (RFC 4290 and I attach a table at this syntax for the french
It does not address confusability issues because the entire area
is... confuse and has no solution. It is just a way for ICANN to step
in the registration policies of TLDs.
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