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Äàòà èçìåíåíèÿ: Mon Jan 21 19:44:30 2013
Äàòà èíäåêñèðîâàíèÿ: Fri Feb 28 00:48:26 2014
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DNSÏÝ ÎÖÖÔÔÅÏÝ À?ÇÓÅØ Ë÷×ç - Apache HTTP Server
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Apache > HTTP Server > Documentation > Version 2.2

DNSÏÝ ÎÖÖÔÔÅÏÝ À?ÇÓÅØ Ë÷×ç

ÀÅÄÙ×á Î?Îþ:  en  |  ja  |  ko  |  tr 

ÐÜ É?Ì-ÄÒ ÓæÍÕÖ× É?Ï?ÐÜ ÎÖÄåÄßÄé. ÓæÁéÏÅ Ê?ÀöÅØ ÃËÏûÐÊ ÏÅÎþ É?Ì-È? Ò?Àý×ßÌÌÏô.

ÐÜ É?Ì-È? ×á É?ÐõÐÈÇÞ ÏôÎð×â Ì? ÐæÄé. ÎÖÖÔÔÅÀÅ ÌÃÑ?ÖÔÐßÐË ÐàÐËÆ? DNSÈ? Ð×ÑÈ×ßÑ?ÎÚÅÅÇß ×ßÆ?. ÎÖÖÔÔÅÀÅ ÌÃÑ?ÖÔÐßÐË ÐàÄÒÅ? DNSÀÅ ×ÚÏô×ßÄéÈù Ì-É?ÄÒ ÍÕÇêÌÊ É?Ñ? (ÍÓÐëÐÜ ÎØÅÙ Ì?ÅÅ ÐæÄé) Ø?ÐÊ Ì-ÊåÍÊÀÕÊÞ À?ÀíÀ? (Ë÷ÏûÐêÀÅ ÄéÈ? Ë÷ÏûÐêÏÅ Äû×á Ñ?ÁéÐË ÀÅÇÞÓ?ÄÒ ÀÝÐË Ö?×ä×ßÏ?) Ì-ÊåÍÊÅÅÅß(theft of service) À?ÀíÏÅ ÍÓÄîÈÁ Ì? ÐæÄé.

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À?Äì×á ÏÉÑ?

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

ÎÖÖÔÔÅÀÅ Ñ?Ë?Ð?ÐÈÇÞ ÅÏÐë×ßÁòÐ?×èÌ-ÄÒ À? ÀÅË?Ø?ÍÊÖ?ÏÅ Äû×è ÅÞÀÅÑ? Ñ?ÊÈÀÅ ÐÄûÐ?ÐÈÇÞ ×ÚÏô×ßÄé. ÐÜ Ñ?ÊÈÄÒ ServerNameÀ? Ì-É?ÀÅ ÁòÄéÈ?Àý ÐÐÄô×â ÓæÌâ ×áÀÃÐ× IP ÑæÌâÐÜÄé. ÐÜ ÏÉÄÒ IP ÑæÌâÀÅ Î?ÁòÆ?É?ÏÅ, ÎÖÖÔÔÅÄÒ DNSÈ? Ë÷Ïû×ßÏ? www.abc.domÐ× ÑæÌâÈ? Ó?ÎÖÎï ×áÄé. Ì-É?ÀÅ ÌÃÑ?ÖÔÐßÐË ÐàÐËÆ? ÎþÆ ÐÜÐ?ÏÅÌ-À× DNSÈ? Ë÷Ïû×â Ì? Î?ÄéÈù ÀÅË?Ø?ÍÊÖ?È? ÈÈÅù Ì? Î?Äé. ÐÜ ÀÅË?Ø?ÍÊÖ?ÄÒ ÏôÓËÏÅ ÐÐÄô×â Ì? Î?Äé. (ÎÖÖÔÔÅ 1.2 ÐÜÐ? É?Ð?ÏÅÌ-ÄÒ ÍÙÑ?Îþ Ì-É?ÀÅ ÊÞÖÓÅÅ ÎØ×áÄé.)

www.abc.domÐ× ÑæÌâÀÅ 192.0.2.1ÐÜÆ?Àý ÀÅÑ?×ßÐê. ÁçÈ?Àý ÄéÐÍ ÌÃÑ?ÐË ÊÈÆ?:

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

ÐÜÑ? ÎÖÖÔÔÅÄÒ ÐÜ ÀÅË?Ø?ÍÊÖ?Ð× ServerNameÐË Ó?ÁòÐ?×è Ï?DNSÈ? Ë÷Ïû×èÎï ×áÄé. Ï?Ó?ÁòÀÅ Í×Öà×ßÈù ÎÖÖÔÔÅÄÒ ÀÅË?Ø?ÍÊÖ?È? ÊÞÊàÐ?ÐÈÇÞ Â?Äé. (ÎÖÖÔÔÅ 1.2 ÐÜÐ? É?Ð?ÏÅÌ-ÄÒ ÍÙÑ?Îþ Ì-É?ÀÅ ÊÞÖÓÅÅ ÎØ×áÄé.) Ñÿ, ÐÜ ÀöÏü ÐÜÈ?ÁòÉí ÀÅË?Ø?ÍÊÖ?Æ?Èù ÀÅË?Ø?ÍÊÖ?ÄÒ ÏßÐ?Ø? ÅÏÐë×ßÑ?ÎÚÀý, ipÁòÉíÐÜÆ?Èù ÄûÊÞÊà ÅÏÐë×áÄé. ÁçÇ?Ã? ÎÖÖÔÔÅÀÅ Ì-É?ÈýÐË Ö?×ä×ßÏ? Ì-É?Ð× Ð?ÓÌ URLÐË ÈÈÅùÎþÎï ×áÄéÈù Ñ?Ë?Ð?ÐÞ URLÐË ÈÈÅùÑ? È?×áÄé.

ÎÖÇÅ ÀöÏü ÐÜ ÅÞÀÅÑ? É?Ñ?ÀÅ Î?Äé.

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

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Ì-ÊåÍÊÀÕÊÞ (Denial of Service)

(ÓæÌâ×á) ÅÞÀÅÑ? ÑÎÇ?Ð× Ì-ÊåÍÊÀÕÊÞÀÅ ÉïË×â Ì? ÐæÄé. ÎÖÖÔÔÅ 1.2 ÐÜÐ? É?Ð?Ð× ÀöÏü ÎþÆ ÀÅË?Ø?ÍÊÖ?ÏÅÌ-Æ?ÅÅ Ð?ÏÅÌ- ÈË×á ÅÞ DNS ÀÛË?ÐÜ Í×Öà×ßÈù Ì-É?ÀÅ ÔáÑ?Ñ?ÅÅ ÎÚÄÒÄé. DNSÀÅ Ä÷ÍÕÐ× Á××á ÉëÐ× É?Ñ?Ðß Ì?ÅÅ ÐæÄé. ÏÉÈ? ÅùÎþ, abc.domÐÜ ÀýÀÄ Ë÷ÐÜÖ?ÐÜÀý ÀýÀÄÐÜ ÐêÍÕÐ× DNSÈ? À?È?×áÄéÈù, www.abc.dom ÇÉÔêÅõÈ? Ñ?ÏüÁòÈÈ ×èÅÅ (1.2 ÐÜÐ?) Ì-É?ÄÒ ÍÓÐë×ßÑ? È?×áÄé.

ØÞÎÐ Ä? ÁÃØÀ×á ÉöÉÅÅ ÐæÄé. ÄéÐÍ ÌÃÑ?ÐË ËüÖüÊÈÐê:

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

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

Ä÷ÍÕÐÜ www.abc.domÏÅ 192.0.2.1, www.def.domÏÅ 192.0.2.2È? ×âÄ÷×ïÄéÀý ×ßÐê. Æ×, def.domÐÊ ÐêÓÌ DNSÈ? Ë÷Ïû×áÄéÀý ÀÅÑ?×ßÐê. ÐÜ ÌÃÑ?À? ×ä def.domÐË abc.domÐÈÇÞ ÀÅÄÒ È?Å÷ ÕûÍÕÐË ÀÅÇÞÓ? Ì? ÐæÄÒ ÐõÌâÏÅ ÅÞÎ?Äé. ÁçÇÈÄéÈù ÁçÅùÐÊ www.def.domÐË 192.0.2.1ÇÞ ÌÃÑ?×ßÁòÈÈ ×ßÈù ÅØÄé. ÁçÅùÐÜ ÐêÓÌ DNSÈ? Ë÷Ïû×ßÁòÆ?É?ÏÅ Ä÷ÍÕÐÊ ÁçÅùÐÜ Ï?×ßÄÒÅ?ÇÞ www.def.dom ÇÉÔêÅõÈ? ÌÃÑ?×ßÄÒ ÀÝÐË ÈÇÐË Ì? Î?Äé.

(Ë÷ÏûÐêÀÅ http://www.abc.dom/whatever ×?ÍÔÐ× URLÐË ÐäÇÒ×ßÄÒ ÀöÏüÈ? Ö?×ä×ßÏ?) 192.0.2.1ÇÞ ÏÐÄÒ È?Å÷ ÏôÓËÐË def.dom ÀÅË?Ø?ÍÊÖ?ÀÅ Ì-ÊåÍÊ×ßÀä ÅØÄé. Ïæ ÐÜÇÁ ÐßÐÜ ÐßÎþÃ?ÄÒÑ? ÐÜ×è×ßÇÑÈù ÎÖÖÔÔÅÀÅ ÎþÆËÀä ÀÅË?Ø?ÍÊÖ?ÇÞ ÏÐÄÒ ÏôÓËÐË ÓÃÈ?×ßÄÒÑ?ÏÅ Äû×á ÌÃÈýÐÜ ×ÚÏô×ßÄé. Ï?ÁòÏÅ ÄûÀ- ÌÃÈýÅ×ÐæÄé.

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"ÑæÌ-É?" ÑæÌâ

ÎÖÖÔÔÅ 1.1ÏÅÌ- ÐÜÈ?ÁòÉí ÀÅË?Ø?ÍÊÖ? Ñ?Ï?ÐÜ Ö?×äÅ×Î?ÁòÆ?É?ÏÅ ÎÖÖÔÔÅÄÒ Ð?Ì-É?È? Í××ð×ßÄÒ Ø?ÍÊÖ?Ð× IP ÑæÌâ(Åù)È? ÎÛ ×ÚÏôÀÅ ËÀõÄé. ÐÜ ÑæÌâÄÒ (ÐæÄéÈù) Ð?Ï? ServerName Ø?ÐÊ C ×äÌ? gethostnameÐÈÇÞ (ÈýÇÙ×ÑÇâ×ÑÖ?ÏÅ "hostname"ÐË ÐäÇÒ×ïÐËÆ?ÏÝ ÀÀÐÊ ÀñÀ?) Î?ÄÒÄé. ÁçÇ?Èù ÐÜ ÑæÌâÇÞ DNS ÀÛË?ÐË ×áÄé. ×?Ð÷ ÐÜ ÀÛË?ÐÊ ×××â Ì? Î?Äé.

DNS Ì-É?ÀÅ ÑçÎþÌ- ÐÜ ÀÛË?ÐÜ Í×Öà×â ÀÝ ÀÀÄéÈù /etc/hostsÏÅ Ø?ÍÊÖ?ÈýÐË ÑÎþÃæÐË Ì? ÐæÄé. (ÔÔ×ËÕÝÀÅ Ñ?Ë?Ð?ÐÈÇÞ ÊÞÖÓÅ×Î?ÄéÈù ÎÖÈÆ ÐÜÉÜ ÅùÎþÐæÐË ÀÝÐÜÄé.) ÁçÈ?Àý DNSÀÅ Í×Öà×ßÈù Ì-É?ÀÅ /etc/hostsÈ? Ë÷Ïû×ßÄÒÑ? Ø?ÐÞ×ßÆ?. Ë÷Ïû×ßÄÒ ÏþÏÅÓÌÑ?ÏÅ Å?Æ? /etc/resolv.conf Ø?ÐÊ /etc/nsswitch.confÈ? Ì?Ñ?×ßÈù ÅÙ ÀÝÐÜÄé.

Ì-É?ÀÅ ÎþÆ ÐÜÐ?ÏÅÌ-À× DNSÈ? ÀÛË?×ßÈù ÎØÅØÄéÈù HOSTRESORDER Ø?ÀöÊ?Ì?È? "local"ÇÞ ÌÃÑ?×ßÀý ÎÖÖÔÔÅÈ? Í××ð×â Ì? ÐæÄé. mod_envÈ? Ë÷Ïû×ßÏ? Ø?ÀöÐË Ê?Àö×ßÑ? ÎÚÄÒÄéÈù ÐÜ Ø?ÀöÊ?Ì?ÄÒ CGIÏÅÅÅ ÏÅ×òÐË ÑèÄé. ÏþÏÅÓÌÑ?Ð× manpageÃ? FAQÈ? Ò?Àý×ßÄÒ ÀÝÐÜ ÑÑÄé.

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ÐÜ É?Ñ?È? ×××ßÁòÐ?×á ÖÑ

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ÊÞÇß: ÎåÐÈÇÞÄÒ

DNSÏÝ À?ÇÓÅØ Ë?ØÂÐÊ ÈÕÏü ÉéÆ?Ñ?×ßÑ? È?×ßÄé. ÎÖÖÔÔÅ 1.2ÏÅÌ- ÏüÈ?ÄÒ DNSÀÅ Í×Öà×á ÀöÏüÏÅÅÅ ÓæÌâ×á Ì-É?ÀÅ ÔáÑ?ÅÅÇß ÃûÇÒ×ïÑ?ÈÈ ÀñÀ?ÄÒ Ã?Ë?Äé. ÎþÒÇÅ÷ ÌÃÑ?ÖÔÐßÏÅ Ñ?Ñ? IP ÑæÌâÈ? ÏôÁÈ×ßÄÒ ÀÝÐÊ É?Ø?È? ÄéÍÓ ÌÃÑ?×èÎï×â ÏôÑ? ÐÞÕÝÃíÏÅ ÈÕÏü ÉéÆ?Ñ?×ßÑ? È?×ßÄé.

Ð?ÏÅÌ- ÌÃÈý×á Ì-ÊåÍÊÅÅÅß À?ÀíÐË ÈÇÄÒ ×áÀÅÑ? ÉöÉÐÊ ÀÛË?×á IP ÑæÌâÏÅ ÄéÍÓ Ï?DNS ÀÛË?ÐË ×ßÏ? ÅÞ ÐÜÈ?ÐË ÊåÁÃ×ßÄÒ ÀÝÐÜÄé. Ì-ÇÞ ÄéÈ? ÀöÏü ÀÅË?Ø?ÍÊÖ?È? ÀÅÅÏ×ßÑ? ÎÚÐË Ì? ÐæÄé. ÐÜ ÉöÉÐÊ Ï?DNSÀÅ ÏÓÉéÇÞ ÌÃÑ?Å×Îï ×áÄé. (FTP Ì-É?Ã? TCP wrapperÀÅ "ÑïÊÉ-Ï?" DNS ÀÛË?ÐË ÐêÑæ Ë÷Ïû×ßÁòÆ?É?ÏÅ ÄûÊÞÊàÐ× À?È?ÐêÏÅÀä ÐÝÌ?×â ÀÝÐÜÄé.)

ÎþÒÇÅ÷ IP ÑæÌâÈ? Ë÷Ïû×ßÑ?ÎÚÐÈÈù DNSÀÅ Í×Öà×á ÀöÏü ÀÅË?Ø?ÍÊÖ? Ð?Ì-É?È? ÉßÐË Ì? ÐæÀä ÍÓÐë×â Ì? Î?Äé. ÌÃÑ?Ð× ÐßÊÞÈ? É?ÍÓ×ßÄÒ ÀÝÀ? ÀÀÐÊ ÊÞÊàÐ?ÐÞ ×èÀñÓ?ÐÊ Ð?Ì-É? Ð?ÓÌÈ? ÍÓÐë×ßÑ?ÎÚÄÒ ÀÝÊÈÄé Ä? Ã?Ëì Ì?ÅÅ ÐæÄé.

HTTP/1.1ÐÜ Ã?ÏäÀý ÊúÆ?ÏüÐ?ÏÝ ×ÑÇßÍÓÀÅ Host ×üÄ?È? ÊÈÃËÁò ÍÓÐë×ïÐÈÉ×ÇÞ IPÁòÉí ÀÅË?Ø?ÍÊÖ?È? ÏßÐ?Ø? Ë÷Ïû×ßÑ?ÎÚÄÒ ÀÝÐÜ ÀÅÄÙ×èÑ? ÀÝÐÜÄé. ÁçÇ?Èù Ð?Ì-É?ÄÒ ÌÃÑ?ÑïÏÅÌ- DNS ÀÛË?ÐË ×â ×ÚÏôÀÅ Î?ÎþÑ?Äé. ÁçÇ?Ã? 1997Ãò 3Ï?ÏÅÄÒ ÑïÏô×á Ð?Ì-É?ÏÅ Ö?×ä×â Ñ?ÅÅÇÞ ÐÜÈ?ÁòÉí ÀÅË?Ø?ÍÊÖ?ÀÅ ÃÞÈ? Ë÷ÏûÅ×Ñ? ÎÚÎâÄé.

ÀÅÄÙ×á Î?Îþ:  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 Freenode, or sent to our mailing lists.