̾??

nsupdate —

????Ū?? Internet ?͡??ॵ???Ф򹹿?????

????

nsupdate [-k keydir:keyname] [-d] [-v] [filename]

????

nsupdate ??ưŪ?ʹ????򥵥ݡ??Ȥ??? Internet ?ɥᥤ???͡??ॵ???Ф򹹿????? ?????Υץ????????Ǥ??? nsupdate ?? DNS ?Υ꥽?????쥳???? (RR) ???ɲä??????????????ꤹ?? ???å??????? DNS ?????? ???????뤿???ˡ?DNS ?꥾???Х饤?֥????????Ѥ??ޤ??? nsupdate ?????Ϥ? filename ?⤷???ϡ?ɸ?????Ϥ????ɤ߼????ޤ???

????

-k: TSIG ???Ѥ??ƹ????˽?̾???ޤ???
-d: ?ǥХå??⡼?ɤ????ꤷ?ޤ???
-v: ?С??????륵?????å? - ?????ФȤ??̿??? TCP ?????Ѥ??ޤ????????ͤǤ? UDP ?? ???Ѥ??ޤ???

???Ͻ???

nsupdate ?? 1 ?Ԥ??Ȥ? 1 ?Ĥ????ϥ쥳???ɤ??ɤߤޤ??? ???줾???ιԤϹ????׵????оݤˤʤ??꥽?????쥳???ɤǤ??? 1 ?Ĥι????׵??˴ޤޤ??뤹?٤ƤΥɥᥤ??̾?ϡ? Ʊ???? DNS ???????˴ޤޤ??????ΤǤ??뤳?Ȥ?ɬ?פǤ??? ?????ϡ?SOA MNAME ?ե??????ɤ????????????ޥ????????Ф????????ޤ??? ???Ԥϡ????Ѥ??줿?쥳???ɤ? 1 ?Ĥι????׵??Ȥ??ƤޤȤᡢ???????θ??Ҥ? ???ĥ͡??ॵ???Фؤ????????ؼ????ޤ??? ?ɲå쥳???ɤ?³???뤳?Ȥ???ǽ?Ǥ??? ???????ϡ??ɲ?Ū?ʡ?????????Ω?????????׵??ˤʤ??ޤ??? ?Ǹ????׵᤬?????????뤿???ˤϡ????Ԥ????ϤκǸ??ˤ??뤳?Ȥ?ɬ?פǤ???

?쥳???ɤϤդ??Ĥΰ???Ū?ʷ????Τ????Τɤ??餫?η????Ǥ??? ɬ?׾??? (prerequisite) ?쥳???ɤϡ??׵᤬???????????????????????Ƥ??뤳?Ȥ?ɬ?פʾ??????ؼ????ޤ??? ???????? (update) ?쥳???ɤϡ?DNS ?ǡ????١????ˤʤ??????ѹ????ؼ????ޤ??? ?????׵??ϡ?0 ?İʾ???ɬ?׾????ȡ?1 ?İʾ??ι??????󤫤??????ޤ??? ???줾???ι????׵??ϡ????٤Ƥ?ɬ?׾??郎?????????뤳?Ȥ???ǧ ???줿???Ȥǡ????٤Ƥι??????¹Ԥ??????Ȥ??????֤ǡ?????Ū?˽????????ޤ???

nsupdate ?ϼ??Τ褦?????ϥ쥳???ɤν񼰤????򤷤ޤ???

prereq nxdomain domain-name: domain-name ?ǻ??ꤷ???ɥᥤ?????ˡ??ɤΤ褦?? RR ???ʤ????Ȥ??׵ᤷ?ޤ???
prereq yxdomain domain-name: domain-name ?ǻ??ꤷ???ɥᥤ?????ˡ????? 1 ?Ĥ? RR ??¸?ߤ??뤳?Ȥ??׵ᤷ?ޤ???
prereq nxrrset domain-name [class] type: domain-name ?ǻ??ꤷ???ɥᥤ?????? type ?ǻ??ꤷ?????? RR ??¸?ߤ??ʤ????Ȥ??׵ᤷ?ޤ???
prereq yxrrset domain-name [class] type [data...]: domain-name ?ǻ??ꤷ???ɥᥤ?????ˡ? type ?ǻ??ꤷ?????? RR ??¸?ߤ??뤳?Ȥ??׵ᤷ?ޤ??? data ?????ꤵ?줿?????ϡ????Τ˥????å????Ԥʤ????ޤ???
update delete domain-name [class] [type [data...]]: domain-name ?ǻ??ꤷ???ɥᥤ??̾?? RR ?????????ޤ??? ?⤷ type (?ȡ???ǽ?ʤ??? data) ?????ꤵ?????С????????????쥳???ɤ??????????????ޤ???
update add domain-name ttl [class] type data...: ttl, type, data ?ǻ??ꤷ?? RR ???ɲä??ޤ???

??????

?????????ϡ? nsupdate ??????Ū?ʻ??????򼨤??Ƥ??ޤ??? ?????ɥᥤ??̾?Τ??٤Ƥ? A ?쥳???ɤ????????ơ????????쥳???ɤ? ?ɲä??뤳?Ȥˤ??äơ?IP ???ɥ쥹???ѹ????ޤ??? ?????Ǥ?ɬ?׾??郎???ꤵ???Ƥ??ʤ??Τǡ??????????쥳???ɤ??ʤ??Ƥ⿷???? ?쥳???ɤ??ɲä????ޤ??? ????³?????Ԥ??׵????????????뤿????ɬ?פǤ??뤳?Ȥ????դ??Ƥ?????????

$ nsupdate
> update delete test.example.com A
> update add test.example.com 3600 A 10.1.1.1
>

???????Ǥϡ??оݤΥɥᥤ???? A ?쥳???ɤޤ??? CNAME ?쥳???ɤ??ʤ??????ˡ? CNAME ?????ꥢ?????ǡ????١??????ɲä????ޤ???

$ nsupdate
> prereq nxrrset www.example.com A
> prereq nxrrset www.example.com CNAME
> update add www.example.com 3600 CNAME test.example.com
>

???????Ǥϡ?nsupdate ?ϥǥ??쥯?ȥ? "/var/named/keys" ??¸?ߤ??륭?? "mykey" ?ǽ?̾?????ޤ???

$ nsupdate -k /var/named/keys:mykey
> update add ftp.example.com 60 A 192.168.5.1
>

????

“send error”: ???̤ˡ????ҤΤ????͡??ॵ???Ф???ã?Ǥ??ʤ??ä????Ȥ򼨤??ޤ???
“failed update packet”: ???̤ˡ??͡??ॵ???Ф?ưŪ?????򥵥ݡ??Ȥ??Ƥ??ʤ????ᤫ??ǧ?ڤμ??ԤΤ????ˡ? ?????????ݤ??????Ȥ򼨤??ޤ???
“res_mkupdate: packet size = size”: (?ޤ?¾?Υ??å???????ɽ???????ʤ??Ȥ?) ???????????˼????????ƥ͡??ॵ???Ф?ǧ?ڤ????ޤ????? ??????ɬ?׾??郎??????˸???????⤷???ޤ??󡣹??????Ԥʤ????Ƥ??뤫 ???Τ???????ˡ?ϡ??ǥХå??⡼?? (-d) ?????Ѥ??ơ??͡??ॵ???Ф????α????ե??????ɤ???ǧ???뤷???????ޤ?????

??Ϣ?ե?????

/etc/resolv.conf: ?ɥᥤ??̾?ȥ͡??ॵ???ФΥ??ɥ쥹?ν??????ꡣ

??Ϣ????

named(8), resolver(3), resolver(5); RFC-1034, “Domain Names - Concepts and Facilities”; RFC-1035, “Domain Names - Implementation and Specification”; RFC-2136, Dynamic Updates in the Domain Name System.

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Brent Baccala