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Apache > HTTP Server > Documentation > Version 2.2

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This document refers to the 2.2 version of Apache httpd, which is no longer maintained. The active release is documented here. If you have not already upgraded, please follow this link for more information.

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DNS¿Í ¾ÆÆÄÄ¡¿Í °ü·ÃµÈ »çÇ×

°¡´ÉÇÑ ¾ð¾î:  en  |  ja  |  ko  |  tr 

ÀÌ ¹®¼­´Â ÃÖ½ÅÆÇ ¹ø¿ªÀÌ ¾Æ´Õ´Ï´Ù. ÃÖ±Ù¿¡ º¯°æµÈ ³»¿ëÀº ¿µ¾î ¹®¼­¸¦ Âü°íÇϼ¼¿ä.

ÀÌ ¹®¼­¸¦ ÇÑ ¹®ÀåÀ¸·Î ¿ä¾àÇÒ ¼ö ÀÖ´Ù. ¾ÆÆÄÄ¡°¡ ¼³Á¤ÆÄÀÏÀ» ÀÐÀ»¶§ DNS¸¦ ÀÇÁ¸ÇÏÁö¾Êµµ·Ï Ç϶ó. ¾ÆÆÄÄ¡°¡ ¼³Á¤ÆÄÀÏÀ» Àдµ¥ DNS°¡ ÇÊ¿äÇÏ´Ù¸é ¼­¹ö´Â ½Å·Ú¼º ¹®Á¦ (½ÃÀÛÀÌ ¾ÈµÉ ¼öµµ ÀÖ´Ù) ȤÀº ¼­ºñ½º°ÅºÎ °ø°Ý°ú (»ç¿ëÀÚ°¡ ´Ù¸¥ »ç¿ëÀÚ¿¡ ´ëÇÑ Á¢±ÙÀ» °¡·Îä´Â °ÍÀ» Æ÷ÇÔÇÏ¿©) ¼­ºñ½ºµµµÏ(theft of service) °ø°Ý¿¡ ½Ã´Þ¸± ¼ö ÀÖ´Ù.

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°£´ÜÇÑ ¿¹Á¦

<VirtualHost www.abc.dom>
ServerAdmin webgirl@abc.dom
DocumentRoot /www/abc
</VirtualHost>

¾ÆÆÄÄ¡°¡ Á¤»óÀûÀ¸·Î µ¿ÀÛÇϱâÀ§Çؼ­´Â °¢ °¡»óÈ£½ºÆ®¿¡ ´ëÇØ µÎ°¡Áö Á¤º¸°¡ Àý´ëÀûÀ¸·Î ÇÊ¿äÇÏ´Ù. ÀÌ Á¤º¸´Â ServerName°ú ¼­¹ö°¡ ±â´Ù¸®°í ÀÀ´äÇÒ ÃÖ¼Ò ÇÑ°³ÀÇ IP ÁÖ¼ÒÀÌ´Ù. ÀÌ ¿¹´Â IP ÁÖ¼Ò°¡ ¾ø±â¶§¹®¿¡, ¾ÆÆÄÄ¡´Â DNS¸¦ »ç¿ëÇÏ¿© www.abc.domÀÇ ÁÖ¼Ò¸¦ ã¾Æ¾ß ÇÑ´Ù. ¼­¹ö°¡ ¼³Á¤ÆÄÀÏÀ» ÀÐÀ»¶§ ¾î¶² ÀÌÀ¯¿¡¼­°Ç DNS¸¦ »ç¿ëÇÒ ¼ö ¾ø´Ù¸é °¡»óÈ£½ºÆ®¸¦ ¸¸µé ¼ö ¾ø´Ù. ÀÌ °¡»óÈ£½ºÆ®´Â ¿äû¿¡ ÀÀ´äÇÒ ¼ö ¾ø´Ù. (¾ÆÆÄÄ¡ 1.2 ÀÌÀü ¹öÀü¿¡¼­´Â ½ÉÁö¾î ¼­¹ö°¡ ºÎÆõµ ¾ÈÇÑ´Ù.)

www.abc.domÀÇ ÁÖ¼Ò°¡ 192.0.2.1À̶ó°í °¡Á¤ÇÏÀÚ. ±×¸®°í ´ÙÀ½ ¼³Á¤À» º¸¶ó:

<VirtualHost 192.0.2.1>
ServerAdmin webgirl@abc.dom
DocumentRoot /www/abc
</VirtualHost>

ÀÌÁ¦ ¾ÆÆÄÄ¡´Â ÀÌ °¡»óÈ£½ºÆ®ÀÇ ServerNameÀ» ã±âÀ§ÇØ ¿ªDNS¸¦ »ç¿ëÇØ¾ß ÇÑ´Ù. ¿ªÃ£±â°¡ ½ÇÆÐÇÏ¸é ¾ÆÆÄÄ¡´Â °¡»óÈ£½ºÆ®¸¦ ºÎºÐÀûÀ¸·Î ²ö´Ù. (¾ÆÆÄÄ¡ 1.2 ÀÌÀü ¹öÀü¿¡¼­´Â ½ÉÁö¾î ¼­¹ö°¡ ºÎÆõµ ¾ÈÇÑ´Ù.) Áï, ÀÌ °æ¿ì À̸§±â¹Ý °¡»óÈ£½ºÆ®¶ó¸é °¡»óÈ£½ºÆ®´Â ¿ÏÀüÈ÷ µ¿ÀÛÇÏÁö¾Ê°í, ip±â¹ÝÀ̶ó¸é ´ëºÎºÐ µ¿ÀÛÇÑ´Ù. ±×·¯³ª ¾ÆÆÄÄ¡°¡ ¼­¹ö¸íÀ» Æ÷ÇÔÇÏ¿© ¼­¹öÀÇ Àüü URLÀ» ¸¸µé¾î¾ß ÇÑ´Ù¸é Á¤»óÀûÀÎ URLÀ» ¸¸µéÁö ¸øÇÑ´Ù.

¾Æ·¡ °æ¿ì ÀÌ µÎ°¡Áö ¹®Á¦°¡ ¾ø´Ù.

<VirtualHost 192.0.2.1>
ServerName www.abc.dom
ServerAdmin webgirl@abc.dom
DocumentRoot /www/abc
</VirtualHost>

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¼­ºñ½º°ÅºÎ (Denial of Service)

(ÃÖ¼ÒÇÑ) µÎ°¡Áö Á¾·ùÀÇ ¼­ºñ½º°ÅºÎ°¡ ¹ß»ýÇÒ ¼ö ÀÖ´Ù. ¾ÆÆÄÄ¡ 1.2 ÀÌÀü ¹öÀüÀÇ °æ¿ì ¾î¶² °¡»óÈ£½ºÆ®¿¡¼­¶óµµ À§¿¡¼­ ¸»ÇÑ µÎ DNS °Ë»öÀÌ ½ÇÆÐÇÏ¸é ¼­¹ö°¡ ÄÑÁöÁöµµ ¾Ê´Â´Ù. DNS°¡ ´ç½ÅÀÇ ±ÇÇÑ ¹ÛÀÇ ¹®Á¦ÀÏ ¼öµµ ÀÖ´Ù. ¿¹¸¦ µé¾î, abc.domÀÌ °í°´ »çÀÌÆ®ÀÌ°í °í°´ÀÌ ÀÚ½ÅÀÇ DNS¸¦ °ü¸®ÇÑ´Ù¸é, www.abc.dom ·¹Äڵ带 Áö¿ì±â¸¸ Çصµ (1.2 ÀÌÀü) ¼­¹ö´Â ½ÃÀÛÇÏÁö ¸øÇÑ´Ù.

ÈξÀ ´õ ±³È°ÇÑ ¹æ¹ýµµ ÀÖ´Ù. ´ÙÀ½ ¼³Á¤À» »ìÆ캸ÀÚ:

<VirtualHost www.abc.dom>
  ServerAdmin webgirl@abc.dom
  DocumentRoot /www/abc
</VirtualHost>

<VirtualHost www.def.dom>
  ServerAdmin webguy@def.dom
  DocumentRoot /www/def
</VirtualHost>

´ç½ÅÀÌ www.abc.dom¿¡ 192.0.2.1, www.def.dom¿¡ 192.0.2.2¸¦ ÇÒ´çÇß´Ù°í ÇÏÀÚ. ¶Ç, def.domÀº ÀÚü DNS¸¦ »ç¿ëÇÑ´Ù°í °¡Á¤ÇÏÀÚ. ÀÌ ¼³Á¤°ú ÇÔ²² def.domÀ» abc.domÀ¸·Î °¡´Â ¸ðµç Åë½ÅÀ» °¡·Îç ¼ö ÀÖ´Â Àå¼Ò¿¡ µÎ¾ú´Ù. ±×·¸´Ù¸é ±×µéÀº www.def.domÀ» 192.0.2.1·Î ¼³Á¤Çϱ⸸ ÇÏ¸é µÈ´Ù. ±×µéÀÌ ÀÚü DNS¸¦ »ç¿ëÇϱ⶧¹®¿¡ ´ç½ÅÀº ±×µéÀÌ ¿øÇϴµ¥·Î www.def.dom ·¹Äڵ带 ¼³Á¤ÇÏ´Â °ÍÀ» ¸·À» ¼ö ¾ø´Ù.

(»ç¿ëÀÚ°¡ http://www.abc.dom/whatever Çü½ÄÀÇ URLÀ» ÀÔ·ÂÇÏ´Â °æ¿ì¸¦ Æ÷ÇÔÇÏ¿©) 192.0.2.1·Î ¿À´Â ¸ðµç ¿äûÀ» def.dom °¡»óÈ£½ºÆ®°¡ ¼­ºñ½ºÇÏ°Ô µÈ´Ù. ¿Ö ÀÌ·± ÀÏÀÌ ÀϾ´ÂÁö ÀÌÇØÇÏ·Á¸é ¾ÆÆÄÄ¡°¡ ¾î¶»°Ô °¡»óÈ£½ºÆ®·Î ¿À´Â ¿äûÀ» ó¸®ÇÏ´ÂÁö¿¡ ´ëÇÑ ¼³¸íÀÌ ÇÊ¿äÇÏ´Ù. ¿©±â¿¡ ´ë°­ ¼³¸íµÇÀÖ´Ù.

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"ÁÖ¼­¹ö" ÁÖ¼Ò

¾ÆÆÄÄ¡ 1.1¿¡¼­ À̸§±â¹Ý °¡»óÈ£½ºÆ® Áö¿øÀÌ Æ÷ÇԵǾú±â¶§¹®¿¡ ¾ÆÆÄÄ¡´Â À¥¼­¹ö¸¦ ½ÇÇàÇϴ ȣ½ºÆ®ÀÇ IP ÁÖ¼Ò(µé)¸¦ ¾Ë ÇÊ¿ä°¡ »ý°å´Ù. ÀÌ ÁÖ¼Ò´Â (ÀÖ´Ù¸é) Àü¿ª ServerName ȤÀº C ÇÔ¼ö gethostnameÀ¸·Î (¸í·ÉÇÁ·ÒÇÁÆ®¿¡ "hostname"À» ÀÔ·ÂÇßÀ»¶§¿Í °°Àº °á°ú) ¾ò´Â´Ù. ±×·¯¸é ÀÌ ÁÖ¼Ò·Î DNS °Ë»öÀ» ÇÑ´Ù. ÇöÀç ÀÌ °Ë»öÀº ÇÇÇÒ ¼ö ¾ø´Ù.

DNS ¼­¹ö°¡ Á׾ ÀÌ °Ë»öÀÌ ½ÇÆÐÇÒ °Í °°´Ù¸é /etc/hosts¿¡ È£½ºÆ®¸íÀ» Áý¾î³ÖÀ» ¼ö ÀÖ´Ù. (ÄÄÇ»ÅÍ°¡ Á¤»óÀûÀ¸·Î ºÎÆõǾú´Ù¸é ¾Æ¸¶ ÀÌ¹Ì µé¾îÀÖÀ» °ÍÀÌ´Ù.) ±×¸®°í DNS°¡ ½ÇÆÐÇÏ¸é ¼­¹ö°¡ /etc/hosts¸¦ »ç¿ëÇÏ´ÂÁö È®ÀÎÇ϶ó. »ç¿ëÇÏ´Â ¿î¿µÃ¼Á¦¿¡ µû¶ó /etc/resolv.conf ȤÀº /etc/nsswitch.conf¸¦ ¼öÁ¤ÇÏ¸é µÉ °ÍÀÌ´Ù.

¼­¹ö°¡ ¾î¶² ÀÌÀ¯¿¡¼­°Ç DNS¸¦ °Ë»öÇÏ¸é ¾ÈµÈ´Ù¸é HOSTRESORDER ȯ°æº¯¼ö¸¦ "local"·Î ¼³Á¤ÇÏ°í ¾ÆÆÄÄ¡¸¦ ½ÇÇàÇÒ ¼ö ÀÖ´Ù. mod_env¸¦ »ç¿ëÇÏ¿© ȯ°æÀ» º¯°æÇÏÁö ¾Ê´Â´Ù¸é ÀÌ È¯°æº¯¼ö´Â CGI¿¡µµ ¿µÇâÀ» ÁØ´Ù. ¿î¿µÃ¼Á¦ÀÇ manpage³ª FAQ¸¦ Âü°íÇÏ´Â °ÍÀÌ ÁÁ´Ù.

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ÀÌ ¹®Á¦¸¦ ÇÇÇϱâÀ§ÇÑ ÆÁ

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ºÎ·Ï: ¾ÕÀ¸·Î´Â

DNS¿Í °ü·ÃµÈ »óȲÀº ¸Å¿ì ¹Ù¶÷Á÷ÇÏÁö ¸øÇÏ´Ù. ¾ÆÆÄÄ¡ 1.2¿¡¼­ ¿ì¸®´Â DNS°¡ ½ÇÆÐÇÑ °æ¿ì¿¡µµ ÃÖ¼ÒÇÑ ¼­¹ö°¡ ÄÑÁöµµ·Ï ³ë·ÂÇßÁö¸¸ °á°ú´Â ³ª»¦´Ù. ¾î·µç ¼³Á¤ÆÄÀÏ¿¡ Á÷Á¢ IP ÁÖ¼Ò¸¦ ¿ä±¸ÇÏ´Â °ÍÀº ¹øÈ£¸¦ ´Ù½Ã ¼³Á¤ÇؾßÇÒ ¿äÁò ÀÎÅͳݿ¡ ¸Å¿ì ¹Ù¶÷Á÷ÇÏÁö ¸øÇÏ´Ù.

À§¿¡¼­ ¼³¸íÇÑ ¼­ºñ½ºµµµÏ °ø°ÝÀ» ¸·´Â ÇÑ°¡Áö ¹æ¹ýÀº °Ë»öÇÑ IP ÁÖ¼Ò¿¡ ´Ù½Ã ¿ªDNS °Ë»öÀ» ÇÏ¿© µÎ À̸§À» ºñ±³ÇÏ´Â °ÍÀÌ´Ù. ¼­·Î ´Ù¸¥ °æ¿ì °¡»óÈ£½ºÆ®¸¦ °¡µ¿ÇÏÁö ¾ÊÀ» ¼ö ÀÖ´Ù. ÀÌ ¹æ¹ýÀº ¿ªDNS°¡ ¿Ã¹Ù·Î ¼³Á¤µÇ¾ß ÇÑ´Ù. (FTP ¼­¹ö³ª TCP wrapper°¡ "Áߺ¹-¿ª" DNS °Ë»öÀ» ÀÚÁÖ »ç¿ëÇϱ⶧¹®¿¡ ´ëºÎºÐÀÇ °ü¸®ÀÚ¿¡°Ô Àͼ÷ÇÒ °ÍÀÌ´Ù.)

¾î·µç IP ÁÖ¼Ò¸¦ »ç¿ëÇÏÁö¾ÊÀ¸¸é DNS°¡ ½ÇÆÐÇÑ °æ¿ì °¡»óÈ£½ºÆ® À¥¼­¹ö¸¦ ¹ÏÀ» ¼ö ÀÖ°Ô ½ÃÀÛÇÒ ¼ö ¾ø´Ù. ¼³Á¤ÀÇ ÀϺθ¦ ¹«½ÃÇÏ´Â °Í°ú °°Àº ºÎºÐÀûÀÎ ÇØ°áÃ¥Àº À¥¼­¹ö Àüü¸¦ ½ÃÀÛÇÏÁö¾Ê´Â °Íº¸´Ù ´õ ³ª»Ü ¼öµµ ÀÖ´Ù.

HTTP/1.1ÀÌ ³ª¿Ô°í ºê¶ó¿ìÀú¿Í ÇÁ·Ï½Ã°¡ Host Çì´õ¸¦ º¸³»±â ½ÃÀÛÇßÀ¸¹Ç·Î IP±â¹Ý °¡»óÈ£½ºÆ®¸¦ ¿ÏÀüÈ÷ »ç¿ëÇÏÁö¾Ê´Â °ÍÀÌ °¡´ÉÇØÁú °ÍÀÌ´Ù. ±×·¯¸é À¥¼­¹ö´Â ¼³Á¤Áß¿¡¼­ DNS °Ë»öÀ» ÇÒ ÇÊ¿ä°¡ ¾ø¾îÁø´Ù. ±×·¯³ª 1997³â 3¿ù¿¡´Â Áß¿äÇÑ À¥¼­¹ö¿¡ Æ÷ÇÔÇÒ Á¤µµ·Î À̸§±â¹Ý °¡»óÈ£½ºÆ®°¡ ³Î¸® »ç¿ëµÇÁö ¾Ê¾Ò´Ù.

°¡´ÉÇÑ ¾ð¾î:  en  |  ja  |  ko  |  tr 

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Comments

Notice:
This is not a Q&A section. Comments placed here should be pointed towards suggestions on improving the documentation or server, and may be removed again by our moderators if they are either implemented or considered invalid/off-topic. Questions on how to manage the Apache HTTP Server should be directed at either our IRC channel, #httpd, on Libera.chat, or sent to our mailing lists.