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IDN

Internationalized Domain Names (IDN)

SmartFTP uses IDNA (Internationalizing Domain Names in Applications) to support domains with unicode characters. IDNA is a mechanism to represent non-ASCII domains with only ASCII characters. This "feature" is transparently implemented in SmartFTP and domain names with unicode characters are automatically converted to the IDN format.

Examples
http://räksmörgås.josefßon.org

References
IETF idn working group Web site
VeriSign IDN-client for IE
IDN Convertor Test

RFC
String Preparation (stringprep)
IDNs in Applications (IDNA)
Name Preparation (nameprep)
Encoding Scheme (punycode)

Library and SDK
VeriSign IDN Software Development Kit
GNU IDN Library

关键字
idna, idn, internationalized domain name

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