Mozilla Implements TLD Whitelist for Firefox in Response to IDN Homographs Spoofing

Homograph spoofing attacks have resulted in changes to Firefox regarding Internationalized Domain Names (IDN). The Mozilla Foundation products, including Firefox, now only display IDNs in a whitelist and make sure that no homographic domains are registered to more than one entity. Registries which wish to be added to the whitelist can follow instructions at Mozilla.org. Mozilla has also created a character blacklist to forbid characters which could be used to spoof URL punctuation.


http://www.circleid.com/article/1148_0_1_0_C/

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