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An Anonymous Coward writes:

Brian Krebs writes on how browsers choose to display IDN. The issue here is of course spoofing valid URLs with visually similar letters. You probably would notice the lame attempt in the department line but some of the international characters are very similar or indeed identical. Depending on your personal preferences it might be a good idea to use punycode instead. Could save you a headache later.

https://krebsonsecurity.com/2018/03/look-alike-domains-and-visual-confusion/

Here are some of the applicable RFCs:

• RFC 3490 - Internationalizing Domain Names in Applications (IDNA)
• RFC 3491 - Nameprep: A Stringprep Profile for Internationalized Domain Names (IDN)
• RFC 3492 - Punycode: A Bootstring encoding of Unicode for Internationalized Domain Names in Applications (IDNA)
• RFC 3986 - Uniform Resource Identifier (URI): Generic Syntax
• RFC 4690 - Review and Recommendations for Internationalized Domain Names (IDNs)
• RFC 5890 - Internationalized Domain Names for Applications (IDNA): Definitions and Document Framework
• RFC 5891 - Internationalized Domain Names in Applications (IDNA): Protocol
• RFC 5892 - The Unicode Code Points and Internationalized Domain Names for Applications (IDNA)
• RFC 5893 - Right-to-Left Scripts for Internationalized Domain Names for Applications (IDNA)
• RFC 5894 - Internationalized Domain Names for Applications (IDNA): Background, Explanation, and Rationale

Original Submission

1. " RFC 3490 " - http://tools.ietf.org/html/rfc3490
2. " RFC 3491 " - http://tools.ietf.org/html/rfc3491
3. " RFC 3492 " - http://tools.ietf.org/html/rfc3492
4. " RFC 3986 " - http://tools.ietf.org/html/rfc3986
5. " RFC 4690 " - http://tools.ietf.org/html/rfc4690
6. " RFC 5890 " - http://tools.ietf.org/html/rfc5890
7. " RFC 5891 " - http://tools.ietf.org/html/rfc5891
8. " RFC 5892 " - http://tools.ietf.org/html/rfc5892
9. " RFC 5893 " - http://tools.ietf.org/html/rfc5893
10. " RFC 5894 " - http://tools.ietf.org/html/rfc5894
11. "Original Submission" - https://soylentnews.org/submit.pl?op=viewsub&subid=25278

printed from SoylentNews, Web Browsers and International Domain Names on 2024-04-25 10:55:44