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RESOLVER

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BSD mandoc
BSD 4  

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resolver - ¥ê¥¾¥ë¥ÐÀßÄê¥Õ¥¡¥¤¥ë  

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resolv.conf  

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nameserver
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domain
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search
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sortlist
sortlist ¤òÍѤ¤¤Æ gethostbyname ¤Ë¤è¤êÊÖ¤µ¤ì¤ë¥¢¥É¥ì¥¹¤ò¥½¡¼¥È¤Ç¤­¤Þ¤¹¡£ sortlist ¤Ï IP ¥¢¥É¥ì¥¹¤È¥Í¥Ã¥È¥Þ¥¹¥¯¤ÎÁȤǻØÄꤵ¤ì¤Þ¤¹¡£ ¥Í¥Ã¥È¥Þ¥¹¥¯¤Ï¥ª¥×¥·¥ç¥ó¤Ç¤¢¤ê¡¢ ¥Ç¥Õ¥©¥ë¥È¤Î¥Í¥Ã¥È¥Þ¥¹¥¯¤Ï¥Í¥Ã¥È¤ËÂФ¹¤ë¼«Á³¤Ê¥Í¥Ã¥È¥Þ¥¹¥¯ (natural netmask) ¤Ç¤¹¡£ IP ¥¢¥É¥ì¥¹¤È¥ª¥×¥·¥ç¥ó¤Î¥Í¥Ã¥È¥Þ¥¹¥¯¤ÎÁȤϥ¹¥é¥Ã¥·¥å¤Ç¶èÀÚ¤ê¤Þ¤¹¡£ 10 ÁȤޤǻØÄê²Äǽ¤Ç¤¹¡£

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debug
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ndots:n
ºÇ½é¤ÎÀäÂÐÌ䤤¹ç¤ï¤» ¤¬¹Ô¤ï¤ì¤ëÁ°¤Ë¡¢ Fn res_query ( resolver(3) »²¾È) ¤ËÍ¿¤¨¤é¤ì¤ë̾Á°¤Ë´Þ¤Þ¤ì¤ë¤Ù¤­¥É¥Ã¥È¿ô¤ÎïçÃͤòÀßÄꤷ¤Þ¤¹¡£ n ¤Î¥Ç¥Õ¥©¥ë¥È¤Ï ``1'' ¤Ç¤¹¡£¤³¤ì¤Ï¡¢Ì¾Á°Ãæ¤Ë¥É¥Ã¥È¤¬¤¢¤ì¤Ð¡¢ search list Í×ÁǤ¬Äɲ䵤ì¤ëÁ°¤Ë¡¢ ¤½¤Î̾Á°¤¬¤Þ¤ºÀäÂÐ̾¤È¤·¤Æ»î¤µ¤ì¤ë¤³¤È¤ò°ÕÌ£¤·¤Þ¤¹¡£
no_tld_query
¥ê¥¾¥ë¥Ð¤Ë¥È¥Ã¥×¥ì¥Ù¥ë¤Î¥É¥á¥¤¥ó̾¡¢¤¹¤Ê¤ï¤Á¥É¥Ã¥È¤ò»ý¤¿¤Ê¤¤Ì¾Á°¤ò ²ò·è¤·¤Ê¤¤¤è¤¦¤Ë¤µ¤»¤Þ¤¹¡£ ¤³¤Î¥ª¥×¥·¥ç¥ó¤ò»ÈÍѤ·¤Æ¤â¡¢¥ê¥¾¥ë¥Ð¤¬Í¿¤¨¤é¤ì¤¿Ì¾Á°¤ò»ÈÍѤ·¤ÆÉ¸½à¤Î domain ¤È search ¤Î¥ë¡¼¥ë¤Ë½¾¤¦¤³¤È¤òËɤ°¤³¤È¤Ï¤Ç¤­¤Þ¤»¤ó¡£

options ¤Ï RES_OPTIONS ´Ä¶­ÊÑ¿ô¤ò»ÈÍѤ·¤Æ¡¢¶õÇò¤Þ¤¿¤Ï¥¿¥Ö¶èÀÚ¤ê¤Î¥ê¥¹¥È¤È¤·¤Æ»ØÄê¤Ç¤­¤Þ¤¹¡£

domain ¤È search ¥­¡¼¥ï¡¼¥É¤ÏÇÓ¾Ū¤Ç¤¹¡£ ¤³¤ì¤é¤Î¥­¡¼¥ï¡¼¥É¤¬ 1 ¤Ä°Ê¾åµ­½Ò¤µ¤ì¤Æ¤¤¤ë¾ì¹ç¡¢ ºÇ¸å¤Î¥­¡¼¥ï¡¼¥É¤¬Í­¸ú¤Ë¤Ê¤ê¤Þ¤¹¡£

¥­¡¼¥ï¡¼¥É¤ÈÃÍ¤ÏÆ±°ì¹Ô¤Ë¸ºß¤¹¤ëɬÍפ¬¤¢¤ê¡¢¥­¡¼¥ï¡¼¥É (Î㤨¤Ð nameserver ¤Ï¹Ô¤ÎÀèÆ¬¤Ë¤¢¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ Ãͤϥ­¡¼¥ï¡¼¥É¤Ë³¤¤¤Æ¶õÇò¤Ç¶èÀڤäƵ­½Ò¤·¤Þ¤¹¡£  

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/etc/resolv.conf
resolv.conf ¤Ï /etc ¤Ë¸ºß¤·¤Þ¤¹¡£

 

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gethostbyname(3), resolver(3), hostname(7), named(8)
"Name Server Operations Guide for BIND"
 

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resolv.conf ¥Õ¥¡¥¤¥ë¥Õ¥©¡¼¥Þ¥Ã¥È¤Ï BSD 4.3 ¤«¤éÅо줷¤Þ¤·¤¿¡£


 

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