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Á¦ ¸ñ : µµ¸ÞÀθíÀ¸·Î »ç¿ë°¡´ÉÇÑ ¹®ÀÚ
ÀÛ¼ºÀÚ : ÁÁÀºÁøÈ£(truefeel, http://coffeenix.net/ )
ÀÛ¼ºÀÏ : 2008.8.12(È)
´Ù±¹¾î µµ¸ÞÀÎ(IDN)ÀÌ ¾Æ´Ñ ÀϹÝÀûÀÎ µµ¸ÞÀÎÀÇ °æ¿ì ´ÙÀ½°ú °°Àº ¹®ÀÚ¸¸ »ç¿ëÇØ¾ß ÇÑ´Ù.
- ¿µ¹®ÀÚ(a-z)
- ¼ýÀÚ(0-9)
- ÇÏÀÌÇÂ(-)
- Á¡(.)
RFC 952(DOD INTERNET HOST TABLE SPECIFICATION)¸¦ »ìÆ캸¸é µµ¸ÞÀθí(È£½ºÆ®¸í)À¸·Î a-z, 0-9, -, . ¸¦ »ç¿ëÇϵµ·Ï µÇ¾î ÀÖ´Ù. ±×¸®°í, ù¹ø°¹®ÀÚ´Â ¿µ¹®ÀÚÀ̾î¾ß ÇÏ°í, ¸¶Áö¸· ¹®ÀÚ´Â -³ª . ÀÌ µé¾î°¥ ¼ö ¾ø´Ù.
http://www.ietf.org/rfc/rfc952.txt
| A "name" (Net, Host, Gateway, or Domain name) is a text string up
to 24 characters drawn from the alphabet (A-Z), digits (0-9), minus
sign (-), and period (.). Note that periods are only allowed when
they serve to delimit components of "domain style names". (See
RFC-921, "Domain Name System Implementation Schedule", for
background). No blank or space characters are permitted as part of a
name. No distinction is made between upper and lower case. The first
character must be an alpha character. The last character must not be
a minus sign or period.
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RFC 1033(DOMAIN OPERATIONS GUIDE)¿¡´Â under bar(_, underscore)¹®ÀÚ¸¦ »ç¿ëÇÏ´Â °Íµµ ¾ê±â¸¦ ÇÏ°í ÀÖÁö¸¸, SMTP µî ÇÁ·ÎÅäÄÝ¿¡ µû¶ó¼ »ç¿ëÇÒ ¼ö ¾ø´Â °æ¿ì°¡ ÀÖÀ¸´Ï _ ¹®ÀÚ´Â »ç¿ëÇÏÁö ¸»±â¸¦ ¹Ù¶õ´Ù.
http://www.ietf.org/rfc/rfc1033.txt
| The domain system allows a label to contain any 8-bit character.
Although the domain system has no restrictions, other protocols such
as SMTP do have name restrictions. Because of other protocol
restrictions, only the following characters are recommended for use
in a host name (besides the dot separator):
"A-Z", "a-z", "0-9", dash and underscore
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ÁÖÀ§ »ç¶÷ÀÌ µµ¸ÞÀÎÀ» ¸ø ã´Â °æ¿ì°¡ ÀÖ´Ù°í Çؼ µµ¸ÞÀÎÀÌ ¾î¶»°Ô µÇ³Ä°í ¹°¾îº¸´Ï undercore(_) ¹®ÀÚ°¡ Æ÷ÇԵǾî ÀÖ¾ú´Ù. À̸¦Å׸é auth_under.coffeenix.net ó·³ ¼³Á¤µÇ¾î ÀÖ¾ú´ø °ÍÀÌ´Ù. ±×·¡¼ ÀÌ·± °æ¿ì´Â 'Non-recoverable failure in name resolution' ¸Þ½ÃÁö¸¦ »Ñ¸®¸é¼ µµ¸ÞÀÎÀ» ¸ø ã´Â °æ¿ì°¡ ÀÖÀ¸´Ï, under bar(_)¸¦ »ç¿ëÇÏÁö ¸»°Å³ª under bar(_) ´ë½Å ÇÏÀÌÇÂ(-)¸¦ »ç¿ëÇ϶ó°í ¾ê±âÇØÁá´Ù.
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