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posted by martyb on Sunday March 11 2018, @10:39AM   Printer-friendly
from the söylêntnéws.org dept.

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

 
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  • (Score: 2, Informative) by cocaine overdose on Sunday March 11 2018, @05:41PM

    This seems like a simple port-binding binding issue. Gotase is on 80, Lemonparty is on 666, and penIsland is on 65565.
    Starting Score:    1  point
    Moderation   +1  
       Informative=1, Total=1
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    Total Score:   2