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¥¾¡Ý¥ó ------------------------- ----------------------------------------------------- 192.168.1.0 | | ¥¾¡Ý¥ó̾ | ¥¾¡Ý¥ó¥¿¥¤¥× | ¥ª¥×¥·¥ç¥ó | |----|-------------|--------------|-----------------| | ¢¢ | nix.co.jj | master | µö²ÄÀßÄê DNSSEC | £Ä£Î£Ó¥µ¡Ý¥Ð¤Ë server1¤È |----|-------------|--------------|-----------------| ¤¤¤¦£Õ£Ò£Ì̾¤òÌ䤤¹ç¤ï¤» | ¢¢ | nix.con | master | µö²ÄÀßÄê DNSSEC | ¤ÆÅú¤¨¤ë¤³¤È¤¬¤Ç¤­¤ëÀßÄê¡£ |----|-------------|--------------|-----------------| | ¢¢ | server1 | master | µö²ÄÀßÄê DNSSEC | << ¤³¤ì¤À¤± "µö²ÄÀßÄê"¤ò |----|-------------|--------------|-----------------| ¥¯¥ê¥Ã¥¯¤·¤¿¡£ | ¢¢ | server2 | master | µö²ÄÀßÄê DNSSEC | |---------------------------------------------------| DNS - ¥¾¡Ý¥ó - µö²ÄÀßÄê --------------------------------------------------------------- |¥¢¥Ã¥×¥Ç¡Ý¥È¤òµö²Ä¤¹¤ë¥Í¥Ã¥È¥ï¡Ý¥¯/¥¢¥É¥ì¥¹ [ ] | |¥¾¡Ý¥óžÁ÷¤òµö²Ä¤¹¤ë¥Í¥Ã¥È¥ï¡Ý¥¯/¥¢¥É¥ì¥¹ [192.168.1.8 ] | |Ì䤤¹ç¤ï¤»¤òµö²Ä¤¹¤ë¥ï¡Ý¥¯/¥¢¥É¥ì¥¹ [ ] | | | | [ OK ][¥­¥ã¥ó¥»¥ë] | --------------------------------------------------------------- << Cobalt Qube3 ¤ÎÀßÄê >> [¥Í¥Ã¥È¥ï¡Ý¥¯¥µ¡Ý¥Ó¥¹]->[DNS]->{¥µ¡Ý¥Ð¤Î´ÉÍý} ²èÌ̤Î(¥»¥«¥ó¥À¥ê¥µ¡Ý¥Ó¥¹¤òÀßÄê)¤Ç [¥»¥«¥ó¥À¥ê¥µ¡Ý¥Ó¥¹¤òÄɲà ¢§] ¥×¥ë¥À¥¦¥ó¤·¤Æ "¥É¥á¥¤¥ó" ¤òÁªÂò¤·°Ê²¼¤Î¤è¤¦¤Ë¤·¤¿¡£ ºÇ½é¤Î²èÌÌ¤Ç "DNS¥µ¡Ý¥Ó¥¹¤òÍ­¸ú¤Ë¤¹¤ë" ¤Ë¡º¤ò¤¤¤ì (Êݸ)¡£¤³¤ì¤Ç named ¤¬Æ°¤¯¡£ ----------------------------------------------------- |¥»¥«¥ó¥À¥ê¥µ¡Ý¥Ó¥¹¤Î¥ê¥¹¥È | Qube3 ¤Î named¤¬µ¯Æ°¤·¤¿ |---------------------------------------------------| »þ¤Ë¡¢DNS1¼¡¥µ¡Ý¥Ð¤Ç¥µ¡Ý | 1 ¥¨¥ó¥È¥ê| ¥Ó¥¹¤·¤Æ¤¤¤ë¥¾¡Ý¥ó¾ðÊó¤Î |---------------------------------------------------| Ãæ¤Ç¡¢server1 ¤È¤¤¤¦¤Î¤À | ¥»¥«¥ó¥À¥ê¥µ¡Ý¥Ó¥¹ | ¥×¥é¥¤¥Þ¥êDNS¥µ¡Ý¥Ð | ¾ÜºÙ | ¤±»ý¤Ã¤ÆÍè¤ë¡£server1 ¤Ï |---------------------|----------------------|------| nix.co.jj ¤ÈƱ¤¸¤¯¥É¥á¥¤ | server1 | 192.168.1.7 | ¡ó¡ô | ¥ó̾¤Ç¤¢¤ë¤³¤È¤ËÃí°Õ¤»¤è¡£ ----------------------------------------------------- Qube3 ¤Î DNSÀßÄê¤Îµ¡Ç½¤Ï¤ª¤«¤·¤¯¤Ê¤Ã¤Æ¤·¤Þ¤Ã¤Æ¤¤¤ë¡£ (¥×¥é¥¤¥Þ¥ê¥µ¡Ý¥Ó¥¹¤òÀßÄê) "¥ì¥³¡Ý¥É¤òÄɲÃ" ¤·¤Æ¤âɽ¼¨¤µ¤ì¤Æ¤³¤Ê¤¤¤Î¤À¡£ ¤·¤«¤·¤³¤Î named.conf ¤ò¤ß¤ë¤È²¿¤ä ¤éÄɲ䵤ì¤Æ¤¤¤ë¡£named.conf ¥Õ¥¡¥¤¥ë¡¢/etc/named/ Æâ¥Õ¥¡¥¤¥ë¤ò¾Ã¤·¤Æ¤â¡¢ ¤É¤³¤« ¤ËÀßÄê¤ò³Ð¤¨¤Æ¤¤¤Æ¡¢¤½¤Î¥Õ¥¡¥¤¥ë¤¬²õ¤ì¤·¤Þ¤Ã¤¿¤Î¤À¤È»×¤¦¡£¤·¤«¤·Í­Æñ¤¤¤³¤È¤Ë¡¢º£ ²ó¤Î¥Æ¥¹¥È¤Ë¤Ï½½Ê¬ÌòΩ¤Ã¤¿¡£ /etc/named.conf ----------------------------------------------------- |// BIND8 configuration file |// automatically generated Fri Sep 22 14:26:15 2017 |options { | directory "/etc/named"; | // no forwarders defined | // no zone transfer access defined |}; |zone "server1 " { | type slave; | file "db.server1 "; | masters { 192.168.1.7; }; |}; /etc/named/db.server1 ¥¾¡Ý¥óžÁ÷¤µ¤ì¤Æ¤Á¤ã¤ó¤È¥Õ¥¡¥¤¥ë¤Ë¤Ê¤Ã¤Æ¤¤¤¿¡£ ----------------------------------------------------------------------------------- |; BIND version named 8.2.2-P5 Wed Jun 14 17:32:48 PDT 2000 |; BIND version root@zerg.cobalt.com:/home/redhat/BUILD/bind-8.2.2_P5/src/bin/named |; zone 'server1' first transfer |; from 192.168.1.7:53 (local 192.168.1.8) using AXFR at Fri Sep 22 14:26:13 2017 |$ORIGIN . |server1 0 IN SOA server1. ikken.nix.co.jj. ( | 2 300 50 2592000 10 ) | 0 IN NS server1. | 0 IN A 192.168.1.9 /etc/named/named_dump.db £Ä£Î£Ó¥µ¡Ý¥Ð¤Î¥­¥ã¥Ã¥·¥å¾ðÊó¤ò¥À¥ó¥×¤·¤Æ¤ß¤¿¡£ ------------------------------------------------------------------------ |; Dumped at Fri Sep 22 14:26:31 2017 |;; ++zone table++ |; . (type 6, class 0, source Nil) |; time=0, lastupdate=0, serial=0, |; refresh=0, retry=0, expire=0, minimum=0 | | |; server1 (type 2, class 1, source db.server1) |; time=1506057997, lastupdate=1506057973, serial=2, |; refresh=300, retry=50, expire=2592000, minimum=10 |; ftime=1506057973, xaddrcnt=1, state=18041, pid=0 |; z_addr[1]: [192.168.1.7] | | |;; --zone table-- |; Note: Cr=(auth,answer,addtnl,cache) tag only shown for non-auth RR's |; Note: NT=milliseconds for any A RR which we've used as a nameserver |; --- Cache & Data --- |$ORIGIN . |server1 0 IN A 192.168.1.9 ;Cl=1 | 0 IN NS server1. Cl=1 | 10 IN SOA server1. ikken.nix.co.jj. ( | 2 300 50 2592000 10 ) ;Cl=1 (3) DNS ¥É¥á¥¤¥ó¤Î³¬Áع½Â¤ '96 * ¥É¥á¥¤¥ó¤Î³¬Áع½Â¤¤Î´ðËÜ ¥É¥á¥¤¥ó¤¬³¬Áع½Â¤¤ò¤È¤ê¡¢¥µ¥Ö¥É¥á¥¤¥ó¤ò¤â¤Ä¾ì¹ç¡¢¿Æ¥É¥á¥¤¥ó¤Ï¥µ¥Ö¥É¥á¥¤¥ó¤Î¥Û¥¹ ¥È̾¤Î¸¡º÷¤ÎÁë¸ý¤Ë¤Ê¤ë¡£¿Æ¥É¥á¥¤¥ó¤Ï¥µ¥Ö¥É¥á¥¤¥ó¤Ë¤Ä¤¤¤Æ¤Ï¡¢¤É¤³¤½¤³¤Ëʹ¤¤¤Æ¤¯¤ì ¤È¤¤¤¦¾ðÊó¤ò¤â¤¿¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£¤³¤ì¤Ï named.hosts ¤Ë½ñ¤¯¤³¤È¤Ë¤Ê¤Ã¤Æ¤¤¤ë¡£ hostA ¤Î named.hosts ------------------------- |a. IN NS hostA.a. << ¼«¥É¥á¥¤¥ó¤Î£±¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð¡£ |b.a. IN NS hostB.b.a. << ¥µ¥Ö¥É¥á¥¤¥ó¤Î£±¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð¡£ ------- named.boot |hostA| a ¤Î£±¼¡ -------------------------- ------- |primary a named.hosts | --------------------- a | ------- named.boot | |hostB| b.a ¤Î£±¼¡ -------------------------- | ------- |primary b.a named.hosts | | ------------------- b.a * £²¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð¤¬¤¢¤ë¾ì¹ç hostB ¤Î named.hosts --------------------------------------- |b.a. IN NS hostB.b.a. << ¼«¥É¥á¥¤¥ó¤Î£±¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð | IN NS hostA.a. << ¼«¥É¥á¥¤¥ó¤Î£²¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð | |c.b.a. IN NS hostC.c.b.a. << ²¼°Ì¥É¥á¥¤¥ó¤Î£±¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð | IN NS hostB.b.a. << ²¼°Ì¥É¥á¥¤¥ó¤Î£²¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð ------- named.boot a ¤Î£±¼¡¤Ï¾¤Ë¤¢¤ë¤È¤¹¤ë |hostA| b.a ¤Î£²¼¡ ----------------------------------- ------- |secondary b.a named.hosts.sec | --------------------- a | named.boot | ------- ----------------------------------- | |hostB| b.a ¤Î£±¼¡ |primary b.a named.hosts | ------- c.b.a ¤Î£²¼¡ |secondary c.b.a named.hosts.sec | | ------------------- b.a | named.boot | ------- ----------------------------------- | |hostC| c.b.a ¤Î£±¼¡ |primary c.b.a named.hosts | ------- | | ----------------- c.b.a * ¥Û¥¹¥È̾¸¡º÷¤ÎÎã DNS named.hosts ----- ---------- | | |y.a NS ¦Á y.a ¥É¥á¥¤¥ó¤Î£±¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð ----- | NS ¦Á' y.a ¥É¥á¥¤¥ó¤Î£²¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð | --------------------------------------------------- a | | | | | »ß¤Þ¤Ã¤Æ¤¤¤ë | | ----- ----- | ----- | ----- ¥Û¥¹¥È£Á¤«¤é£Â | |¦Á'| DNS | £Â| | | ¦Á| DNS | | £Á| ¤Ë¥¢¥¯¥»¥¹¤¹¤ë¡£ | ----- ----- | ----- | ----- | | | | | | | ------------ z.a ---------------- y.a ------------- x.a * ¥µ¥Ö¥É¥á¥¤¥ó¤È¼ç¥É¥á¥¤¥ó¤Î´Ø·¸ ¥Û¥¹¥È£Á¡¢£Â¤Ç¤Ï¼«¥É¥á¥¤¥ó¤Î¤ß´ÉÍý¤¹¤ë DNS ¤¬Æ¯¤¤¤Æ¤¤¤ë¤È¤¹¤ë¡£b.a ¤Î¥µ¥Ö¥É¥á¥¤ ¥ó¤¬ a ¥É¥á¥¤¥ó¤Î¥Û¥¹¥È¤òǧ¼±¤¹¤ë¤¿¤á¤Ë¤Ï¡¢¥Û¥¹¥È£Â¤Ç¤É¤Î¤è¤¦¤Ë DNS ¤òÀßÄꤹ¤ì¤Ð ¤¤¤¤¤«¡£ ------ ¤³¤³¤Ç¤Ï b.a ¤òǧ¼±¤Ç¤­¤ë¤è¤¦ | £Á | named.hosts ¤Ë NS £Â ¤òÆþ¤ì¤Æ ------ ¤¢¤ë¤â¤Î¤È¤¹¤ë¡£ | ==================================== ----------------------- a ¥Õ¥¡¥¤¥¢¥¦¥©¡Ý¥ë¤ä¥»¥­¥å¥ê¥Æ¥£¤Î´Ø·¸ | ------ ¤«¤é¿§¡¹¤ÊÊýË¡¤¬¤È¤é¤ì¤ë¤³¤È¤Ë¤Ê¤ë¡£ | | £Â | ==================================== | ------ | | ------------------- b.a 1) ¥ë¡Ý¥È¥­¥ã¥Ã¥·¥å¤ò a ¥É¥á¥¤¥ó¤Ë¤¹¤ë¡£<< DNS ¤ÎÀß·×»×ÁÛ¤«¤é¤¹¤ì¤Ð¥³¥ì¤¬ÂÅÅö¡£ 2) named.hosts ¤Ë NS £Á ¤òÆþ¤ì¤ë¡£ 3) /etc/resolv.conf ¤Ë nameserver £Á ¤òÆþ¤ì¤ë¡£ 4) £Á¤Î£²¼¡¥Í¡Ý¥à¥µ¡Ý¥Ð¤Ë¤Ê¤ë¡£ 5) £Á¤ò forward »ØÄꤹ¤ë¡£ (4) DNS ´ÉÍý¥¾¡Ý¥ó¤ÎÈÏ°Ï * ñ°ì¥É¥á¥¤¥ó¤Ç¥¾¡Ý¥ó¤Î´ÉÍý¤ò°Ñ¾ù¤·¤Ê¤¤¾ì¹ç¤Î´ðËÜ £±¤Ä¤Î DNS ¤¬´ÉÍý¤¹¤ë¥¾¡Ý¥ó¤Ï¡¢¥Í¥Ã¥È¥ï¡Ý¥¯¤Î¥»¥°¥á¥ó¥È¤¬°ã¤Ã¤Æ¤â¤¤¤¤¡£ ²¿¤È¤Ê¤¯ ¥»¥°¥á¥ó¥È¤¬°ã¤¨¤Ð´ÉÍý¤ÏÊ̤ʤ褦¤Êµ¤¤¬¤¹¤ë¤¬¡£²¼¤ÎÎã¤Ç¤Ï hostA ¤Î named ¥Ç¡Ý¥â¥ó ¤¬ hostA,B,C,D ¥Û¥¹¥È¤Î£É£Ð¥¢¥É¥ì¥¹¤ò´ÉÍý¤·¤Æ¤¤¤ë¡£ hostA hostB named ¢£ ¢¢ ¡Ã.1 ¡Ã.2 ------------------------- 192.9.200.0 nix.co.jj ¡Ã hostC hostD ¢¢ ¢¢ ¢¢ ¡Ã ¡Ã3. ¡Ã.4 ------------------------- 192.9.201.0 nix.co.jj /etc/named.boot ------------------------------------------------------ |cache . /etc/named.ca |primary nix.co.jj /etc/named.hosts |primary 200.9.192.in-addr.arp /etc/named.rev0 |primary 201.9.192.in-addr.arp /etc/named.rev1 |primary 127.in-addr.arpa /etc/named.local /etc/named.hosts -------------------------------------------------------------- |@ IN SOA hostA.nix.co.jj. katou.hostA.nix.co.jj. ( | 1 3600 300 3600000 360000 ) | IN NS hostA.nix.co.jj. |localhost. IN A 127.0.0.1 |hostA IN A 192.9.200.1 |hostB IN A 192.9.200.2 |hostC IN A 192.9.201.3 |hostD IN A 192.9.201.4 /etc/named.rev0 /etc/named.rev1 ------------------------------------- ------------------------------------- |@ ¤Î¤È¤³¤í¾å¤ËƱ¤¸ |@ ¤Î¤È¤³¤í¾å¤ËƱ¤¸ | IN NS hostA.nix.co.jj. | IN NS hostA.nix.co.jj. |1 IN PTR hostA.nix.co.jj. |3 IN PTR hostC.nix.co.jj. |2 IN PTR hostB.nix.co.jj. |4 IN PTR hostD.nix.co.jj. /etc/named.local ------------------------------------- |@ ¤Î¤È¤³¤í¾å¤ËƱ¤¸ | IN NS hostA.nix.co.jj. |$ORIGIN 127.in-addr.arpa. |1.0.0 IN PTR localhost.nix.co.jj. /etc/named.ca ¥í¡Ý¥«¥ë¤Î¥Í¥Ã¥È¥ï¡Ý¥¯Æâ¤Ç¤Î¤ß»È¤¨¤ë¥ë¡Ý¥È¤Î¥É¥á¥¤¥ó¾ðÊó -------------------------------------------------- |. 9999999 IN NS hostA.nix.co.jj. ¥É¥á¥¤¥ó¤Î¥ë¡Ý¥È¤¬ nix.co.jj |hostA.nix.co.jj. 9999999 IN A 192.9.200.1 ¤È¤¤¤¦¤³¤È¤Ç¤¢¤ë¡£ [ ¥¤¥ó¥¿¡Ý¥Í¥Ã¥È¤ÈÀܳ¤¹¤ë¾ì¹ç¤Î¾å°Ì¥É¥á¥¤¥ó¤Ç¤ÎÅÐÏ¿ ] /etc/named.hosts /etc/named.ca ¤Ï¥¤¥ó¥¿¡Ý¥Í¥Ã¥ÈÍѤΠ----------------------------------------- ¥ë¡Ý¥È¥­¥ã¥Ã¥·¥å¡¦¥Õ¥¡¥¤¥ë¤ò»È¤¦¡£ |nix.co.jj. 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( .. | IN NS hostA.nix.co.jj. |hostA IN A 192.9.200.1 |hostB IN A 192.9.200.2 |hostC.aaa IN A 192.9.201.3 |hostD.aaa IN A 192.9.201.4 /etc/named.rev ----------------------------------------- |@ ¤Î¤È¤³¤í¾å¤ËƱ¤¸ | IN NS hostA.nix.co.jj. |1 IN PTR hostA.nix.co.jj. |2 IN PTR hostB.nix.co.jj. | |$ORIGIN 201.9.192.in-addr.arpa. << ¤³¤¦¤¤¤¦µ­½Ò¤Î»ÅÊý¤â¤Ç¤­¤ë¡£¤·¤« |3 IN PTR hostC.aaa.nix.co.jj. ¤·´ÉÍý¤¹¤ë¥¾¡Ý¥ó¤ÎÈϰϤ¬Ê¬¤«¤ê¤Ë |4 IN PTR hostD.aaa.nix.co.jj. ¤¯¤¯¤Ê¤ë¡£¤¢¤Þ¤ê¤è¤í¤·¤¯¤Ê¤¤¡£ * ¥µ¥Ö¥É¥á¥¤¥ó¤Ç¥¾¡Ý¥ó¤Î´ÉÍý¤ò°Ñ¾ù¤¹¤ë¾ì¹ç A ¢£ B ¢¢ ¡Ã.1 ¡Ã.2 ------------------------- 192.9.200.0 nix.co.jj ¡Ã ¢¢ C ¢£ D ¢¢ ¡Ã ¡Ã.3 ¡Ã.4 ------------------------- 192.9.201.0 bbb.nix.co.jj hostA /etc/named.boot ------------------------------------------------------ |cache . /etc/named.ca |primary nix.co.jj /etc/named.hosts |primary 200.9.192.in-addr.arp /etc/named.rev hostA /etc/named.hosts ----------------------------------------------------------------- |@ IN SOA hostA.nix.co.jj. katou.hostA.nix.co.jj. 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