Applied Mathematics 8 (2010)
¼ø¶È»ñÎÁ/11
¤ò¥Æ¥ó¥×¥ì¡¼¥È¤Ë¤·¤ÆºîÀ®
³«»Ï¹Ô:
#contents
* ¤¤¤Ä¤â¤Î¥Á¥§¥Ã¥¯ [#e31a348b]
¤¤¤Ä¤â¤Î¤è¤¦¤Ë¡¤¥·¥¹¥Æ¥à¤Ë¤Ä¤¤¤Æ¤Þ¤º¤¤ÅÀ¤¬¤Ê¤¤¤«¥Á¥§¥Ã¥¯...
¶ñÂÎŪ¤Ë¤Ï¡¤°ÊÁ°¤â¼¨¤·¤¿¼¡¤Î¥³¥Þ¥ó¥É¤ò»È¤¦¤³¤È¤Ë¤Ê¤ë¡¥
+ freebsd-update
+ portsnap
+ portaudit
&ref(/materials/warning.png); ¤¿¤À¤·¡¤portaudit ¤Ç½Ð¤Æ¤¯...
* DNS ¤È¤Ï¤Ê¤Ë¤«? [#d0ce1fac]
º£²ó¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ò¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤¿¤é¤·¤á¤Æ¤¤¤ëº¬´´µ»...
¤³¤ì¤Þ¤Ç¤Î¼ø¶ÈÆâÍƤ˲䨤Ƥ³¤Î DNS ¤¬¤ï¤«¤ì¤Ð¡¤¥µ¡¼¥ÐÀßÄê...
¤µ¤Æ¡¤DNS ¤È¤Ï¥Û¥¹¥È̾(¾ÜºÙ¤Ï¸å½Ò¤¹¤ë)¤È IP address ¤ÎÂÐ...
ʬ»¶¤·¤¿µðÂç¤ÊÅÅÏÃÄ¢¤ò»×¤¤É⤫¤Ù¤ì¤Ð¤è¤¤¤À¤í¤¦.
Æüº¢ web ¤ò»È¤Ã¤¿¤ê¤·¤Æ¤¤¤Æ¡¤¤½¤ÎÌò³ä¤Ï´û¤Ë¤ª¤è¤½ÃΤäƤ¤...
#br
CENTER:&ref(./DNS-model.png,80%);
CENTER:DNS ¤Î´ðÁÃŪ¤ÊÌò³ä
#br
°Ê²¼¤Ç¹Ô¤¦¥µ¡¼¥Ð¤ÎÀßÄê¤â¡¤¾ÜºÙÉôʬ¤ò½ü¤±¤Ð¤½¤ó¤Ê¤ËÆñ¤·¤¯...
** ɬ¤º DNS ¤ò»È¤ï¤Ê¤¤¤È¤¤¤±¤Ê¤¤¤«? [#x6ea8512]
»È¤Ã¤Æ¤¤¤ë¥Þ¥·¥ó¤ò¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë·Ò¤°¤Î¤Ç¤¢¤ì¤Ð¤Þ¤ºÉ¬Í×...
DNS ¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Î¥Û¥¹¥È̾¤òÍѤ¤¤Æ¤½¤Î¥Û¥¹¥È¤Ø¥¢¥¯¥»...
¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ÎµðÂ礵¤ò¹Í¤¨¤ë¤È¡¤Â¾¤ÎÊýË¡¤Ç¤³¤Îµ¡Ç½¤ò´°...
µÕ¤Ë¸À¤¨¤Ð¡¤¡Ö¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë·Ò¤¬¤Ê¤±¤ì¤ÐÉÔÍפʤ³¤È¤â¤¢...
** /etc/hosts [#eab1fc7c]
¥Û¥¹¥È̾¤È IP ¥¢¥É¥ì¥¹¤ÎÂбþ¤Ê¤É¤Î¡Ö¥Í¥Ã¥È¥ï¡¼¥¯ÅÅÏÃÄ¢¥Ç...
¤³¤ì¤Ï¡¤ /etc/hosts ¤È¤¤¤¦¥Õ¥¡¥¤¥ë¤Ë½ñ¤¤³¤à¤À¤±¤Ç¤è¤¤.
¤·¤«¤â¤³¤ì¤Ï DNS ¤ÈξΩ¤¬²Äǽ¤Ç¤¢¤ë¡¥
¤³¤ÎÊýË¡¤Ï DNS ¥µ¡¼¥Ð¤¬ÉÔ°ÂÄê¤Ç¤¢¤ë¤è¤¦¤Ê¥Í¥Ã¥È¥ï¡¼¥¯¤Ëµï...
&ref(/materials/warning.png); /etc/hosts ¤Ë¥Û¥¹¥È̾¤È IP...
&br;
&ref(/materials/warning.png); /etc/hosts ¤Î¤³¤ÎÊØÍø¤ÊÀ¼Á...
&br;
¤Ê¤ª¡¤/etc/hosts ¤Î¾ðÊó¤È DNS ¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Î¤É¤Á¤é¤òÍ¥...
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï
hosts: files dns
¤È¤Ê¤Ã¤Æ¤ª¤ê¡¤/etc/hosts ¤òÍ¥À褹¤ë¤È¤¤¤¦ÂÅÅö¤ÊÀßÄê¤Ë¤Ê¤Ã...
&ref(/materials/notes.png); /etc/nsswitch.conf ¤òÆɤó¤Ç¡¤...
** DNS ¤¬¡Ö¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Îʬ»¶¥Ç¡¼¥¿¥Ù¡¼¥¹¡×¤Î·Á¤Ç¤¢¤ëɬ...
¥Í¥Ã¥È¥ï¡¼¥¯¤ÎµðÂ礵¤È¤½¤ÎÊѲ½¤ÎÁᤵ¤ò¹Í¤¨¤ë¤È¡¤°ì¥«½ê¤Ë...
¤Ä¤Þ¤ê¡¤Ê¬»¶¤·¤Æ¡¤¤Ê¤ë¤Ù¤¯¸½¾ì¤Ë¶á¤¤Éôʬ¤Ç³Æ¡¹´ÉÍý¤·¤Æ¤â...
¤È¤·¤Æ¤Î¤³¤Î·Á¤Ë¼«Á³¤È¹Ô¤Ã夯¤³¤È¤ÏÍý²ò¤Ç¤¤ë¤À¤í¤¦.
** ¥Û¥¹¥È¡¤¥É¥á¥¤¥ó [#te1be59a]
ºåÂç¤Îweb¥µ¡¼¥Ð¤Ï www.osaka-u.ac.jp ¤È¤¤¤¦Ì¾¾Î¤Ç¤¢¤ë¤¬¡¤...
¤Þ¤º¡¤¤³¤ì¤Ï www.osaka-u.ac.jp. ¤ÈºÇ¸å¤Ë¥É¥Ã¥È¤ò¤Ä¤±¤¿É½...
ºÇ¸å¤Î¥É¥Ã¥È¤Ï¡ÖÈó¾ï¤Ë¤·¤Ð¤·¤Ð¡×¾Êά¤µ¤ì¤Æ¤¤¤ë¤À¤±¤Ç¤¢¤ë.
Ä̾ï¥æ¡¼¥¶¤È¤·¤Æ¤Ï¤³¤ì¤Ïµ¤¤Ë¤¹¤ëɬÍפϤʤ¤¤¬¡¤DNS Server ...
&ref(/materials/warning.png); ÉáÃʤϰռ±¤·¤Ê¤¯¤Æ¤è¤¤¤¬¡¤...
¤µ¤Æ¼¡¤Ë¤³¤ÎÃæ¿È¤Ç¤¢¤ë¤¬¡¤¤³¤ì¤Ï osaka-u.ac.jp ¤È¤¤¤¦¥É¥á...
¤µ¤é¤Ë¥É¥á¥¤¥óÉôʬ¤ò¾Ü¤·¤¯²òÀ⤹¤ë¤È¡¤Àµ³Î¤Ë¤Ï¤³¤ì¤Ï .(¥É...
www.osaka-u.ac.jp. ¤ò¿Þ¤Ç½ñ¤¯¤È¼¡¤Î¤è¤¦¤Ë¤Ê¤ë(Îò»ËŪ¤Ë ¤è...
CENTER:&ref(./domain-structure.png);
³Æ³¬ÁؤˤÏÊ£¿ô(¤È¤¤¤¦¤«Èó¾ï¤Ë¿¤¯¤Î)¥É¥á¥¤¥ó¤¬´Þ¤Þ¤ì¤ë¤Î...
CENTER:&ref(./domain-structure-multi.png);
¤Á¤Ê¤ß¤Ë¡¤www.osaka-u.ac.jp ¤Î¤è¤¦¤Ë¡¤¥Û¥¹¥È̾+¥É¥á¥¤¥ó̾...
** DNS ¤ÎÌ䤤¹ç¤ï¤»¤Î¤ª¤ª¤¶¤Ã¤Ñ¤Ê»ÅÁÈ¤ß [#y8b12d62]
DNS ¤ÎÌ䤤¹ç¤ï¤»¤Ï¸úΨ¤ä°ÂÁ´À¤Î¤¿¤á¤Ë¼Â¤Ï·ë¹½Ê£»¨¤Ê»ÅÁÈ...
¤½¤·¤Æ¡¤DNS server ¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Ï¡¤¾å¤Î¥µ¡¼¥Ð¤«¤é½ç¡¹¤Ë...
¤³¤Î¤è¤¦¤Ë¡¤¥Ç¡¼¥¿¥Ù¡¼¥¹¤¬³¬Áع½Â¤¤ò¤â¤Ã¤Æʬ»¶¤µ¤ì¤Æ¤¤¤Æ...
DNS ¤Î»ÅÁȤߤϤ«¤Ê¤ê¸Å¤¤¤ï¤ê¤Ë¡Ö¥·¥ó¥×¥ë¤Ê¤¬¤éÎɤ¯¤Ç¤¤Æ...
¤È¤Ï¤¤¤¨º£¤È¤Ê¤Ã¤Æ¤ÏÍÍ¡¹¤ÊÌäÂ꤬½Ð¤Æ¤¤Æ¤¤¤ë¤Î¤Ç¡¤¾¯¤·¤º...
** DNS Ì䤤¹ç¤ï¤»¤Î¼ïÎà(Æó¼ïÎढ¤ë) [#k153aa5f]
DNS ¥µ¡¼¥Ð¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Ï¡¤Â礶¤Ã¤Ñ¤Ë¸À¤Ã¤ÆÆó¼ïÎढ¤ë.
ʬ¤«¤ê¤Ë¤¯¤¤¤Î¤Ç¤³¤³¤Ç½ñ¤¤¤Æ¤ª¤³¤¦.
: ºÆµ¢ÅªÌ䤤¹ç¤ï¤» | ´ÝÅꤲŪÌ䤤¹ç¤ï¤». ʹ¤«¤ì¤¿Êý¤Ï¡¤¼«...
: ÈóºÆµ¢ÅªÌ䤤¹ç¤ï¤» | ʹ¤«¤ì¤ëÊý¤ËÉéô¤Î¾¯¤Ê¤¤Ì䤤¹ç¤ï¤»...
DNS ¤Î»ÅÁȤߤ«¤é¤¤¤Ã¤Æ¡¤¡Ö狼°ì¿Í¤ÏºÆµ¢ÅªÌ䤤¹ç¤ï¤»¤ËÅú...
Ä̾ï¤Ï¡¤DNS ³¬ÁؤΤʤë¤Ù¤¯²¼¤Ëµï¤ÆºÆµ¢ÅªÌ䤤¹ç¤ï¤»¤ò½èÍý...
** DNS ¤«¤éÆÀ¤é¤ì¤ë¾ðÊó [#j092f47f]
´ðËÜŪ¤Ë¤Ï¡¤DNS ¤Ç(ľÀܤË)ÆÀ¤é¤ì¤ë¾ðÊó¤Ï
| ¥Û¥¹¥È̾¤ò¼ê¤¬¤«¤ê¤È¤·¤¿¾ì¹ç¤Ï | ¤½¤Î¥Û¥¹¥È¤Î IP ¥¢¥É¥ì...
| IP Address ¤ò¼ê¤¬¤«¤ê¤È¤·¤¿¾ì¹ç¤Ï | ¤½¤Î¥Û¥¹¥È̾ |
¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ë.
¤â¤Á¤í¤ó¡¤DNS ¤ËÌ䤤¹ç¤ï¤»¤ë²áÄø¤Ç´ÖÀÜŪ¤Ë¤Ï¤è¤ê¹¤¤¾ðÊó(...
¤³¤³¤Ç¡¤¾å¤Î¡ÖÆÀ¤é¤ì¤ë¾ðÊó¡×¤Ë¤Ä¤¤¤Æ¤â¤¦¾¯¤·¾ðÊó¤òµ¤·¤Æ...
¶ñÂÎŪ¤Ë¤Ï¡¤¼¡¤Î¡Ö¥ì¥³¡¼¥É̾¡×¤Ç¤¢¤ë. ¤³¤ì¤Ï¡¤DNS ¤Ç¤ÎÌä...
| ¥ì¥³¡¼¥É̾ | ²òÀâ |h
| &color(red){SOA}; | ¤½¤Î¾ðÊó¤ÎÀÕǤ¸µ¤Î¾ðÊó. Start of Au...
| A | IP Address |
| AAAA | IP Address(IPv6) |
| NS | ¥Í¡¼¥à¥µ¡¼¥Ð |
| CNAME | ¤½¤Î¥Û¥¹¥È¤ÎÀµ½à̾(¢â¿¿¤Î̾Á°) |
| MX | ¤½¤Î¥¢¥É¥ì¥¹°¸¤Ë¥á¡¼¥ë¤¬Í褿¤é¤É¤Î¥á¡¼¥ë¥µ¡¼¥Ð¤ØÁ÷...
| PTR | ¥Û¥¹¥È̾ |
&ref(/materials/warning.png); ¸«Æ¨¤·¤¬¤Á¤À¤¬¡¤¾å¤Î SOA ¤Ï...
¤¢¤È¡¤DNS ¤Ë¤Ï»þ¡¹ "IN" ¤È¤¤¤¦¥¡¼¥ï¡¼¥É¤¬½Ð¤Æ¤¯¤ë¤¬¡¤¤³...
** Àµ°ú¤ [#t4606e80]
¥Û¥¹¥È̾¤«¤é IP Address ¤ä¾¤Î¾ðÊó¤òÃΤ뤿¤á¤Ë DNS Server...
Àµ°ú¤¤Ç¤¤Ê¤¤¥Û¥¹¥È¤È¤¤¤¦¤Î¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¾å¤Ç¤Ï(°ì±þ)...
** µÕ°ú¤ [#n098b95f]
µÕ¤Ë¡¤IP Address ¤«¤é¥Û¥¹¥È̾¤ä¾¤Î¾ðÊó¤òÃÎ¤í¤¦¤È¤¹¤ëÌ䤤...
¤Á¤Ê¤ß¤Ë¡¤µÕ°ú¤¤Ïɬ¤º½ÐÍè¤Ê¤±¤ì¤Ð¤¤¤±¤Ê¤¤¤Ï¤Èµ¬Äꤵ¤ì¤Æ...
¤Ä¤Þ¤ê¡¤µÕ°ú¤½ÐÍè¤Ê¤¤ IP Address ¤¬¤¢¤Ã¤Æ¤â DNS ¤Î¥ë¡¼¥ë...
¤¿¤À¡¤
- ¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Ç¤½¤ì¤Ê¤ê¤Ë¤¤Á¤ó¤È¤·¤¿¥µ¡¼¥ÐÅù¤Ï¤Û¤È¤ó...
- µÕ°ú¤½ÐÍè¤Ê¤¤¥Û¥¹¥È¤ËÂФ·¤Æ¤Ï¢þ¢þ¤Î¥µ¡¼¥Ó¥¹¤ò¤·¤Ê¤¤¡¤¤È...
- Àµ°ú¤¤ÈµÕ°ú¤¤Î·ë²Ì¤¬À°¹ç¤·¤Ê¤¤¤È¤¤¤±¤Ê¤¤¡¤¤È¤¤¤¦¤µ¤é...
- ƱÍͤΥÁ¥§¥Ã¥¯¤ò¥Ñ¥¹¤·¤Ê¤¤¤ÈÆ°¤«¤Ê¤¤¥³¥Þ¥ó¥É¤â¤¢¤ë
¤Ê¤É¤Ê¤É¡¤µÕ°ú¤¤ò¤¤Á¤ó¤ÈÀßÄꤷ¤Ê¤¤¤Èº¤¤ë¾ìÌ̤⤢¤ë¤Î¤Ç...
//
//
//
* ¥æ¡¼¥¶¤È¤·¤Æ DNS ¤ò»È¤Ã¤Æ¤ß¤ë [#rcc45803]
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(1) host [#iff72087]
¥µ¡¼¥Ð¤ÎÀßÄê°ÊÁ°¤Ë¡¤DNS ¾ðÊó¤òÃΤëÊýË¡¤ò°ìÈÌŪ¤ËÃΤäƤª...
¤¢¤Þ¤êÃΤé¤ì¤Æ¤¤¤Ê¤¤¤è¤¦¤Ë»×¤¦¤¬¡¤"host" ¥³¥Þ¥ó¥É¤¬Àµ°ú¤...
Î㤨¤Ð
host www.osaka-u.ac.jp
¤È¤¹¤ë¤È(Àµ°ú¤)
> www.osaka-u.ac.jp has address 133.1.8.5
¤ÈÅú¤¨ "133.1.8.5" ¤¬Ê֤äƤ¯¤ë¤·,
host 133.1.8.5
¤È¤¹¤ë¤È(µÕ°ú¤)
> 5.8.1.133.in-addr.arpa domain name pointer www.osaka-u...
¤ÈÅú¤¨ "www.osaka-u.ac.jp." ¤¬Ê֤äƤ¯¤ë.
&ref(/materials/warning.png); host ¥³¥Þ¥ó¥É¤ÏΧµ·¤Ë¤âºÇ¸å...
¾åµ¤Î¤è¤¦¤Ë¡¤¥ª¥×¥·¥ç¥ó̵¤·¤À¤È host ¥³¥Þ¥ó¥É¤Ï¤½¤Ã¤±¤Ê...
Î㤨¤Ð¡¤
host -v www.osaka-u.ac.jp
¤È¤¹¤ë¤È, ¼¡¤Î¤è¤¦¤Ê½ÐÎϤ¬ÆÀ¤é¤ì¤ë(·ë²ÌŪ¤Ë A, AAAA, MX ...
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 62737 IN A 133.1....
> &br;
> Received 51 bytes from 8.8.8.8#53 in 60 ms
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN AAAA
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 143 IN SOA a.osak...
> &br;
> Received 84 bytes from 8.8.8.8#53 in 51 ms
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN MX
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 1787 IN SOA a.osak...
> &br;
> Received 84 bytes from 8.8.8.8#53 in 51 ms
¤Á¤Ê¤ß¤Ë¡¤DNS Ì䤤¹ç¤ï¤»·ë²Ìɽ¼¨¤ÎÃæ¤Ç¡¤"IN" ¤ÎÁ°¤Ë¤·¤Ð¤·...
¾¤Ë¤â¡¤·ë¹½Â¿Íͤʥª¥×¥·¥ç¥ó¤¬¤¢¤ë¤Î¤Ç¡¤"man host" ¤È¤·¤Æ...
&ref(/materials/notes.png); ¤Þ¤º¤Ï¾å¤ÈƱ¤¸¤è¤¦¤Ë¤·¤Æ host...
¤Þ¤¿¡¤-v ¥ª¥×¥·¥ç¥ó¤ÎÂå¤ï¤ê¤Ë -a ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
¤Þ¤¿¡¤Å¬Åö¤Ê¥Û¥¹¥È̾¤ËÂФ·¤Æ "host -v" ¤ÇÄ´¤Ù¤¿·ë²Ì¤ò¡¤¤³...
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(2) dig [#ve6ab0ce]
¶áǯ¤Ç¤Ï¡¤DNS Ì䤤¹ç¤ï¤»¤ò¼ê¤Ç¹Ô¤¦¥³¥Þ¥ó¥É¤È¤·¤Æ¤Ï "dig" ...
»È¤¤Êý¤Ï host ¤Ë»÷¤Æ¤¤¤ë¤¬¤è¤êºÙ¤«¤¤((¤È¤¤¤¦¤«ºÙ¤«¤¹¤®¤ë)...
¾Ü¤·¤¯¤Ï "man dig" ¤È "dig -h" ¤ÇÄ´¤Ù¤Æ¤â¤é¤¦¤È¤·¤Æ¡¤Â礶...
&ref(/materials/warning.png); "jman dig" ¤È¤Ï¤·¤Ê¤¤¤³¤È! ...
&br;
Ä̾ï¤Îñ¤Ê¤ëÀµ°ú¤¤Ï
dig www.osaka-u.ac.jp
¤Ç¤è¤¤.
ñ¤Ê¤ëµÕ°ú¤¤Ï "-x" ¥ª¥×¥·¥ç¥ó¤òÍѤ¤¤Æ
dig -x 133.1.8.5
¤È¤¹¤ë.
Ì䤤¹ç¤ï¤»¤Ë»È¤¦ DNS server ¤ò»ØÄꤷ¤¿¤¤¤È¤¤Ï¡¤@¤½¤Î¥µ¡¼...
Î㤨¤Ð¡¤¾å¤Î·ë²Ì¤«¤é www.osaka-u.ac.jp ¤Î¾ðÊó¤ÎÀÕǤ¸µ¤Ç¤¢...
dig @a.osaka-u.ac.jp www.osaka-u.ac.jp
¤È¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> @a.osaka-u.ac.jp www.osaka-u....
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51...
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3,...
> ;; WARNING: recursion requested but not available
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 259200 IN A 133.1....
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 259200 IN NS sigw.s...
> osaka-u.ac.jp. 259200 IN NS b.osak...
> osaka-u.ac.jp. 259200 IN NS a.osak...
> &br;
> ;; ADDITIONAL SECTION:
> a.osaka-u.ac.jp. 259200 IN A 133.1....
> b.osaka-u.ac.jp. 259200 IN A 133.1....
> &br;
> ;; Query time: 3 msec
> ;; SERVER: 133.1.192.3#53(133.1.192.3)
> ;; WHEN: Wed Jan 5 20:18:23 2011
> ;; MSG SIZE rcvd: 143
¤È¤Ê¤ê¡¤¼«Ê¬¤¬ÀÕǤ¼Ô¤Ç¤¢¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤ÏÁÇľ¤Ë¶µ¤¨¤Æ¤¯¤ì...
&br;
¤Ç¤Ï¡¤¾¯¤·Ä´»Ò¤Ë¤Î¤Ã¤Æ¤³¤Î¥Í¡¼¥à¥µ¡¼¥Ð¤Ë¾¤ÎÌ䤤¹ç¤ï¤»¤ò...
Î㤨¤Ð¡¤
dig @a.osaka-u.ac.jp www.yahoo.co.jp
¤È¤·¤Æ¤ß¤ë. ¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> @a.osaka-u.ac.jp www.yahoo.co...
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: &color(red){REF...
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, AD...
> ;; WARNING: recursion requested but not available
> &br;
> ;; QUESTION SECTION:
> ;www.yahoo.co.jp. IN A
> &br;
> ;; Query time: 3 msec
> ;; SERVER: 133.1.192.3#53(133.1.192.3)
> ;; WHEN: Wed Jan 5 20:18:45 2011
> ;; MSG SIZE rcvd: 33
¤È¤Ê¤ê("ANSWER SECTION" ¤¬Ìµ¤¤¤³¤È¡¤status ¤¬ "REFUSED" ...
&br;
¤Á¤Ê¤ß¤Ë¡¤DNS Server ¤¬¤É¤¦¤¤¤¦ÆâÍƤˤɤ¦ÊÖÅú¤·¤Æ¤¯¤ì¤ë¤«...
&br;
¤µ¤Æ¡¤''dig'' ¤Ï ''+trace'' ¤È¤¤¤¦¥ª¥×¥·¥ç¥ó¤ò¤Ä¤±¤ë¤ÈÀ¸...
¤â¤¦¾¯¤·¾Ü¤·¤¯½ñ¤¯¤È¡¤¤³¤Î¥ª¥×¥·¥ç¥óÉÕ¤¤Ç¤Î ''dig'' ¤Ï¡¤...
&ref(/materials/warning.png); µÕ¤Ë¸À¤¨¤Ð¡¤Ä̾ï¤Î dig ¥³¥Þ...
&br;
¤Ä¤Þ¤ê¡¤''+trace'' ¤Ä¤¤Ç ''dig'' ¥³¥Þ¥ó¥É¤ò»È¤Ã¤¿¤È¤¤Ï...
Î㤨¤Ð¡¤
dig +trace www.osaka-u.ac.jp
¤È¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> +trace www.osaka-u.ac.jp
> ;; global options: +cmd
> . 3103 IN NS a.root...
> . 3103 IN NS b.root...
> . 3103 IN NS c.root...
> . 3103 IN NS d.root...
> . 3103 IN NS e.root...
> . 3103 IN NS f.root...
> . 3103 IN NS g.root...
> . 3103 IN NS h.root...
> . 3103 IN NS i.root...
> . 3103 IN NS j.root...
> . 3103 IN NS k.root...
> . 3103 IN NS l.root...
> . 3103 IN NS m.root...
> ;; Received 228 bytes from 8.8.8.8#53(8.8.8.8) in 50 ms
> &br;
> jp. 172800 IN NS a.dns....
> jp. 172800 IN NS b.dns....
> jp. 172800 IN NS c.dns....
> jp. 172800 IN NS d.dns....
> jp. 172800 IN NS e.dns....
> jp. 172800 IN NS f.dns....
> jp. 172800 IN NS g.dns....
> ;; Received 431 bytes from 198.41.0.4#53(a.root-server...
> &br;
> osaka-u.ac.jp. 86400 IN NS b.osak...
> osaka-u.ac.jp. 86400 IN NS a.osak...
> osaka-u.ac.jp. 86400 IN NS sigw.s...
> ;; Received 127 bytes from 210.138.175.244#53(d.dns.jp...
> &br;
> www.osaka-u.ac.jp. 259200 IN A 133.1....
> osaka-u.ac.jp. 259200 IN NS sigw.s...
> osaka-u.ac.jp. 259200 IN NS b.osak...
> osaka-u.ac.jp. 259200 IN NS a.osak...
> ;; Received 143 bytes from 133.1.119.3#53(b.osaka-u.ac...
¤Ê¤É¤Î¤è¤¦¤ÊÊÖÅú¤¬Ê֤äƤ¯¤ë.
¤³¤ì¤ò¤ß¤ë¤È¡¤
+ »È¤Ã¤Æ¤¤¤ë DNS ¥µ¡¼¥Ð(¤³¤Î¾ì¹ç¤ÏÎã¤È¤·¤Æ 8.8.8.8 ¤ò»È¤Ã...
¤¬ 13Â椢¤ë¤³¤È¤òÃΤë(¥Õ¥ë¥µ¡¼¥Ó¥¹¥ê¥¾¥ë¥Ð¤È¸Æ¤Ð¤ì¤ë¥ê¥¾...
+ ¤½¤Î 13Âæ¤ÎÃæ¤Î a.root-servers.net ¤Ë "jp." ôÅö¤Î NS ...
+ ¤½¤Î 7Âæ¤ÎÃæ¤Î d.dns.jp ¤Ë "osaka-u.ac.jp." ôÅö¤Î NS ...
+ ¤½¤Î 3Âæ¤ÎÃæ¤Î b.osaka-u.ac.jp ¤Ë www.osaka-u.ac.jp. ¤Î...
¤È¤¤¤¦Î®¤ì¤Ç¸¡º÷¤·¤¿¤³¤È¤¬¤è¤¯Ê¬¤«¤ë.
¤¿¤À¤·¡¤Ä̾ï¤Ï¡¤¤Ê¤ë¤Ù¤¯¥Í¥Ã¥È¥ï¡¼¥¯¾å¤òή¤ì¤ë¾ðÊ󤬾¯¤Ê...
*** ¥ë¡¼¥È¥µ¡¼¥Ð¤Î½ÅÍ×À¤È¥»¥¥å¥ê¥Æ¥£ [#g7238820]
¤³¤³¤Ç¡¤¾å¤Ë½Ð¤Æ¤¤¿¥ë¡¼¥È¥É¥á¥¤¥óôÅö¤Î DNS¥µ¡¼¥Ð(¥ë¡¼¥È...
¤³¤Î¥ë¡¼¥È¥µ¡¼¥Ð¤Ï¡¤DNS ¤ÎÁí¸µÄù¤Ç¤¢¤ë¤Î¤Ç¡¤¤³¤ì¤é¤¬¤¤Á...
¤Þ¤¿µÕ¤Ë¸À¤¨¤Ð¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ø¤Î¹¶·â¼Ô¤«¤é¤ß¤ì¤Ð¥ë¡¼¥È...
¤½¤Î¤¿¤á¡¤¤³¤ì¤Þ¤Ç¤Ë¤âÂ絬ÌϤγƼﹶ·â¤Ë¤¿¤Ó¤¿¤Ó¤µ¤é¤µ¤ì...
¤·¤«¤·¡¤13Â椬À¤³¦³ÆÃϤ˻¶¤Ã¤Æ¤¤¤ë¤³¤È¤ä»ÈÍѤ¹¤ë¥½¥Õ¥È¥¦...
&ref(/materials/notes.png); ¥ë¡¼¥È¥µ¡¼¥Ð¤ËÂФ¹¤ë¤³¤ì¤Þ¤Ç...
&br;
&ref(/materials/warning.png); ¤Á¤Ê¤ß¤Ë¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ò...
¤³¤¦¤·¤¿¾ðÊó¤Ï http://www.root-servers.org/ ¤Ë¥ê¥¹¥È¤¬¤¢...
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(3) nslookup [#g2f5bc92]
dig ¤¬¹¤¯ÃΤé¤ì¤ëÁ°¤Ï¤è¤¯»È¤ï¤ì¤Æ¤¤¤¿¤Î¤¬¤³¤Î "nslookup"...
¤¢¤ë¾ò·ï¤òËþ¤¿¤µ¤Ê¤¤Ì䤤¹ç¤ï¤»¤ò¤½¤â¤½¤â¼õ¤±ÉÕ¤±¤Ê¤¤¤³¤È...
&ref(/materials/notes.png); "man nslookup" ¤È¤·¤Æ nslooku...
// ¤à¤·¤íÄ̾ï¥æ¡¼¥¶¤Ë¤È¤Ã¤Æ¤Î¼ÂÍѾå¤Î°ìÈ֤ηçÅÀ¤Ï¡¤(¸Å¤á...
&ref(/materials/notes.png); host, dig, nslookup ¤Ë¤Ä¤¤¤Æ...
¤Þ¤¿¡¤¤ª¤è¤ÓÆÀ¤é¤ì¤¿ IP ¥¢¥É¥ì¥¹¤ò¸µ¤ËµÕ°ú¤¤ò¹Ô¤Ã¤Æ¤ß¤è.
¤Þ¤¿¡¤¼«Ê¬¤Î·ÈÂӤΥ᡼¥ë¥¢¥É¥ì¥¹¤Ë¥á¡¼¥ë¤ò½Ð¤¹¾ì¹ç¡¤¤½¤Î...
//
//
//
* DNS µÕ°ú¤¤Î»ÅÁÈ¤ß [#zd0784ff]
BIND ¤ÎÀßÄê¤ò»Ï¤á¤ëÁ°¤Ë¡¤µÕ°ú¤¤Î»ÅÁȤߤˤĤ¤¤Æ¤â¿¨¤ì¤Æ¤ª...
¼Â¤Ï¡¤ÍøÍѼԤΤ褯¤¢¤ëľ´¶¤È°Û¤Ê¤ê¡¤DNS ¤ÎµÕ°ú¤(IP ¥¢¥É...
IP ¥¢¥É¥ì¥¹¤â FQDN ¤Î¤è¤¦¤Ë³¬Áع½Â¤¤ò¤·¤Æ¤¤¤ë¤³¤È¤òÍøÍѤ·...
¡ÖIP ¥¢¥É¥ì¥¹¤â¥Û¥¹¥È̾¤Î°ì¼ï¤Ç¤¢¤ë¤È¤ß¤Ê¤·¤Æ DNS ¤Î»ÅÁÈ...
¤³¤È¤ÇµÕ°ú¤¤ò¼Â¸½¤·¤Æ¤¤¤ë.
¶ñÂÎŪ¤Ë¤Ï¡¤"in-addr.arpa." ¤È¤¤¤¦µÕ°ú¤ÀìÍѤÎÆÃÊ̤ʥɥá...
&ref(/materials/warning.png); ¥É¥á¥¤¥ó¤Î¥Ä¥ê¡¼¹½Â¤¤È¡¤IP ...
Î㤨¤Ð¡¤192.168.125.91 ¤È¤¤¤¦ IP ¥¢¥É¥ì¥¹¤Ï¡¤91.125.168.1...
CENTER:&ref(./inverse-IPdomain.png);
CENTER:IP ¤¬ 192.168.125.91 ¤Ç¤¢¤ë¥Þ¥·¥ó¤ÎµÕ°ú¤Íѥɥᥤ...
&br;
µÕ°ú¤ÀßÄê¤Ç¤Ï¤³¤ÎÃ챤¬É¬ÍפʤΤdzФ¨¤Æ¤ª¤³¤¦.
dig ¥³¥Þ¥ó¥É¤Ê¤É¤Ç¡¤¾å¤Î»ÅÁȤߤò¼Â´¶¤·¤Æ¤ß¤è¤¦.
¶ñÂÎŪ¤Ë¤Ï¡¤Î㤨¤Ð¥Þ¥·¥ó q01.cl.math.sci.osaka-u.ac.jp = ...
host -t PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ë¤È¡¤
> 91.125.168.192.in-addr.arpa domain name pointer q01.cl....
¤È¤·¤Æ¡¤³Î¤«¤Ë¤³¤Î°ú¤Êý¤ÇÅú¤¨¤¬Ê֤äƤ¯¤ë¤³¤È¤¬Ê¬¤«¤ë.
(¤¿¤À¤·¡¤¤³¤ì¤òËè²ó¤ä¤ë¤Î¤ÏÌÌÅݤÀ¤«¤é¤«¡¤¤¿¤¤¤Æ¤¤¤Î¥³¥Þ¥ó...
ƱÍͤˡ¤dig ¥³¥Þ¥ó¥É¤Ç¤â¡¤
dig -t PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ì¤Ð¤è¤¤¤·¡¤nslookup ¥³¥Þ¥ó¥É¤Ç¤â¡¤
nslookup -q=PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ì¤Ð¡¤ËÜÍè¤Î·Á¤Ç¤ÎµÕ°ú¤¤¬¤Ç¤¤ë.
&ref(/materials/warning.png); ¾å¤ÎÎã¤Ç¤Ï¡¤Ì䤤¹ç¤ï¤»¥¿¥¤...
&ref(/materials/notes.png); ¼«Ê¬¤Î¥Þ¥·¥ó¤Î IP ¥¢¥É¥ì¥¹¤ò...
* DNS Ì䤤¹ç¤ï¤»¥¯¥é¥¤¥¢¥ó¥È¤ÎÀßÄê [#ee65f9ef]
¥µ¡¼¥Ð BIND¤ÎÀßÄê¤ÎÁ°¤Ë¡¤DNS ¤ÎÌ䤤¹ç¤ï¤»¤ÎÀßÄê¤Ï FreeBSD...
FreeBSD ¤Ç¤Ï DNS Ì䤤¹ç¤ï¤»¤ò¹Ô¤¦»þ¤ÎÀßÄê¤Ï´ðËÜŪ¤Ë /etc/...
¾ÜºÙ¤Ï man resolv.conf ¤â¤·¤¯¤Ï jman resolv.conf ¤È¤·¤Æ¥Þ...
| ¥ª¥×¥·¥ç¥ó | Îã(¤É¤ì¤â1¹Ô¤Ç½ñ¤«¤ì¤ë) | ÀâÌÀ |h
| nameserver | nameserver 192.168.125.14 | DNS ¤Î(ºÆµ¢Åª...
| domain | domain cl.math.sci.osaka-u.ac.jp | ¥í¡¼¥«¥ë¥É...
| search | search math.sci.osaka-u.ac.jp sci.osaka-u.ac....
&ref(/materials/notes.png); /etc/resolv.conf ¤Î search ¥ª...
¶ñÂÎŪ¤Ë¤Ï¡¤
> search cl.math.sci.osaka-u.ac.jp math.sci.osaka-u.ac.j...
¤È¤¤¤¦¹Ô¤ò /etc/resolv.conf ¤Ë²Ã¤¨¤¿¸å¡¤
&ref(/materials/warning.png); 1¹Ô¤Ç½ñ¤¯¤³¤È!
host www
¤ä
dig +search -t ANY mail
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦.
&ref(/materials/warning.png); dig ¥³¥Þ¥ó¥É¤Ï¡¤¥Ç¥Õ¥©¥ë¥È...
* DNS ¥µ¡¼¥Ð¤Î¿½Å²½ [#mb7b458e]
¤µ¤Æ¡¤¤½¤í¤½¤í DNS ¥µ¡¼¥Ð¤ÎÏÃ¤Ë°Ü¤í¤¦.
¤Þ¤º DNS ¥µ¡¼¥Ð¤Î¿½Å²½¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤Æ¤ª¤³¤¦.
DNS ¥µ¡¼¥Ð¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ÇÈó¾ï¤Ë½ÅÍפÊÌò³ä¤ò²Ì¤¿¤¹¤â¤Î...
¤½¤³¤Ç¡¤¸øŪ¤Ê DNS ¥µ¡¼¥Ð¤Ï´ðËÜŪ¤Ë2²Õ½ê°Ê¾å¤Ë¿½Å²½¤¹¤ë...
&ref(/materials/warning.png); ¤¤¤Þ¤Þ¤Ç dig Åù¤Ç DNS ¾ðÊó...
¤½¤·¤Æ¡¤Â¿½Å²½¤·¤¿ºÝ¤Î¥Ç¡¼¥¿¤ÎÀ°¹çÀ¤ä¹¹¿·¤Ë¤Ä¤¤¤Æ¤â¡¤¤...
¤³¤ì¤Ï¡¤1¤Ä¤Î¥¾¡¼¥ó(1¤Ä¤Î DNS ¾ðÊó¤ÎÀÕǤÈϰϤȻפ¨¤Ð¤è¤¤)...
¤½¤¦¤·¤Æ¡¤¥ª¥ê¥¸¥Ê¥ë¾ðÊ󤬥ޥ¹¥¿¡¼¥µ¡¼¥Ð¤«¤é¥¹¥ì¡¼¥Ö¥µ¡¼...
¤³¤ì¤ò¥¾¡¼¥óžÁ÷¤È¤¤¤¦.¥¾¡¼¥óžÁ÷¤â DNS ¥µ¡¼¥Ð¤Î»Å»ö¤Ê¤Î...
¤Ê¤ª¡¤DNS Ì䤤¹ç¤ï¤»¤ò¹Ô¤¦¥¯¥é¥¤¥¢¥ó¥È¤«¤é¸«¤ë¤È¥Þ¥¹¥¿¡¼...
* DNS ¥µ¡¼¥Ð¤Î¿Æ»Ò´Ø·¸ [#l3e5c2a7]
¼¡¤Ë¡¤DNS ¥µ¡¼¥Ð¤Î¿Æ»Ò´Ø·¸¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤è¤¦.
³Æ¡¹¤Î DNS ¥µ¡¼¥Ð¤¬¶É½êŪ¤Ê¾ðÊó¤ò»ý¤Ã¤Æ¤¤¤ë¤À¤±¤ÇÁ´ÂΤ¬¤¦...
¤Þ¤º¡¤DNS ¤¬³¬ÁØŪ¤Ç¤¢¤ê¡¤¤½¤Î¾ðÊó¤ò´ÉÍý¤¹¤ë DNS ¥µ¡¼¥Ð¤â...
¤µ¤Æ¡¤¤Ç¤Ï¤½¤Î³¬ÁØ¡¤¿Æ»Ò´Ø·¸(¿Æ¤¬¤è¤êÂ礤ʥɥᥤ¥ó¤ò¡¤»Ò...
¤³¤ì¤Ï¡¤¡Ö¿Æ¥µ¡¼¥Ð¤¬¡¤»Ò¥µ¡¼¥Ð¤¬¥µ¥Ö¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤...
&ref(/materials/warning.png); »Ò¤Ï¿Æ¤òľÀÜÃΤëɬÍפϤʤ¤....
¶ñÂÎŪ¤Ë¤Ï¡¤¿Æ¥µ¡¼¥Ð¤Î¤½¤Î¥¾¡¼¥ó(¥É¥á¥¤¥ó)¾ðÊó¤ÎÃæ¤Ë¡¤»Ò...
&ref(/materials/warning.png); ¤³¤ì¤¬ DNS ¥µ¡¼¥Ð´ÉÍý¤Î°ìÈÖ...
ʬ¤«¤ê°×¤¤¤è¤¦¤Ë¶ñÂÎÎã¤Ç½ñ¤³¤¦.
Î㤨¤Ð¡¤¤¢¤ë¿Æ¥µ¡¼¥Ð¤¬ aaa.com ¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤¤Æ¡¤»Ò...
¤³¤Î»þ¤Ï¡¤¿Æ¥µ¡¼¥Ð¤ÎÀßÄê¥Õ¥¡¥¤¥ëÃæ¤Î aaa.com ¥¾¡¼¥ó¾ðÊóÆâ¤Ë
> sub.aaa.com. IN NS ns.sub.aaa.com.
> ns.sub.aaa.com. IN A 192.168.125.105
¤Ê¤É¤È½ñ¤¯¤³¤È¤Ë¤Ê¤ë.
&ref(/materials/warning.png); Åö¤¿¤êÁ°¤À¤¬¡¤Æó¹ÔÌܤξðÊó...
¤µ¤Æ¡¤¤³¤ÎÏäòµÕ¤Ë¸À¤¨¤Ð¡¤
¡Ö¿Æ¥µ¡¼¥Ð¤¬¡¤»Ò¥µ¡¼¥Ð¤¬(¥µ¥Ö)¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤¤ë¤³¤È...
¾õ¶·¤Ç¤Ï¡¤¤½¤Î(¥µ¥Ö)¥É¥á¥¤¥ó¤Î¾ðÊó¤Ï¡Ö»Ò¥µ¡¼¥Ð¤ËľÀÜÌ䤤...
¤è¤Ã¤Æ¡¤Î㤨¤Ð¸¦µæ¼¼Æâ¤ä¼«ÂðÆâ¤Ç¤Î¤ßÄÌÍѤ¹¤ë¥Þ¥·¥ó¤Î̾Á°...
¤â¤Á¤í¤ó¡¤¤³¤Î¾ì¹ç¤Ï¤³¤Î¥µ¥Ö¥É¥á¥¤¥ó¾ðÊó¤ò»È¤Ã¤Æ³°¤«¤é¥¢...
¤Á¤Ê¤ß¤Ë¡¤º£²ó¤Î¼ø¶È¤Ç¤Ï¤³¤Á¤é¤Î·Á¤ÎÀßÄê¤ò¹Ô¤¦¡¥
* DNS ¥µ¡¼¥Ð¤Î¥½¥Õ¥È¥¦¥§¥¢¤Ë¤Ä¤¤¤Æ [#ac9edce7]
// ¤µ¤Æ¡¤DNS server (¾¤Ë¤Ï¡¤¥Í¡¼¥à¥µ¡¼¥Ð¤È¤¤¤¦Ì¾Á°¤âÎɤ¯...
// ** DNS server ¤È¤·¤Æ²¿¤ò»È¤¦¤« [#ofb9e9b3]
DNS server ¥½¥Õ¥È¥¦¥§¥¢¤È¤·¤Æ¤Ï¼ç¤Ë BIND (Berkeley Intern...
¤â¤Á¤í¤óÀ¤¤ÎÃæ¤Ë¤Ï¾¤Î¥½¥Õ¥È¥¦¥§¥¢¤â¤¢¤ë¤¬¡¤BIND ¤ÎÍøÍÑΨ...
¤³¤Î BIND ¤Ï¡¤BSD ͳÍè¤Î¥½¥Õ¥È¥¦¥§¥¢¤Ç¤¢¤ê¡¤FreeBSD ¤Ç¤Ï...
¤¿¤À¤·¡¤¸å½Ò¤¹¤ë¥»¥¥å¥ê¥Æ¥£¤ÎÌäÂ꤬¤¢¤ë¤Î¤Ç¡¤¤½¤Î»þÍøÍÑ...
¤·¤«¤·¡¤¤³¤Î BIND ¤Ïµ¡Ç½¤¬´°Á´¤Êʬ¤À¤±ÀßÄ꤬¤ä¤äÂçÊѤÀ¡¥
¤â¤Á¤í¤ó¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë´°Á´¤ËÀܳ¤¹¤ëÂ絬ÌϤʥ·¥¹¥Æ¥à...
¤³¤ì¤ÏÀè¤ËÎã¤Ëµó¤²¤¿¡¤Âç³Ø¤Î¸¦µæ¼¼ÆâÉô¤ä¡¤¸Ä¿Í¤Î¼«ÂðÆ⡤...
¤³¤¦¤·¤¿¡Ö³°¤Ë¸þ¤±¤Æ¾ðÊó¤òÅÁ¤¨¤ëɬÍפÎ̵¤¤¡×¡¤¤¹¤Ê¤ï¤Á¡ÖD...
&ref(/materials/warning.png); dnsmasq ¤Ë¤Ï DHCP ¥µ¡¼¥Ð¤È...
&ref(/materials/warning.png); ¼Â¤Ï¡¤³§¤¬¼«Âð¤ÇƳÆþ¤·¤Æ¤¤...
¤Ê¤ª¡¤BIND ¤ò»È¤¤¤¿¤¤¤è¤¦¤Ê¾ì¹ç¤Ï¡¤Á°Ç¯Å٤μø¶È»ñÎÁ¤ò»²¾È...
* dnsmasq ¤Î¥¤¥ó¥¹¥È¡¼¥ë¤ÈÀßÄê [#vdc0b9b5]
** ¥¤¥ó¥¹¥È¡¼¥ëÁ°¤Î½àÈ÷ [#f11eeaed]
¤Þ¤º¤ÏÀè¤Ë½Ò¤Ù¤¿ BIND ¤¬´û¤ËÆ°¤¤¤Æ¤¤¤¿¤ê¤·¤Ê¤¤¤«¥Á¥§¥Ã¥¯...
lsof -i4 | less
ps -axuww | less
¤Ê¤É¤È¤·¤Æ¡¤"named" ¤È¤¤¤¦¥Ç¡¼¥â¥ó(BIND ¤Î¤³¤È)¤¬Æ°¤¤¤Æ¤¤...
&ref(/materials/warning.png);º®Í𤷤¬¤Á¤Ç¤¢¤ë¤¬¡¤BIND ¤¬...
¤½¤·¤Æ BIND ¤¬Æ°¤¤¤Æ¤¤¤ë¤è¤¦¤Ê¾ì¹ç¤Ï ''kill'' ¥³¥Þ¥ó¥É¤Ê...
&ref(/materials/warning.png); BIND ¤ò¥¢¥ó¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë...
&br;
** ¥¤¥ó¥¹¥È¡¼¥ë [#ecb4d832]
¤¤¤Ä¤â¤Î¤è¤¦¤Ë portsnap ¤ò¤¤Á¤ó¤È¤·¤Æ¤«¤é¡¤
portinstall dnsmasq
¤ÇÂç¾æÉפʤϤº¡¥
¤½¤ÎºÝ¡¤¥ª¥×¥·¥ç¥ó¤òʹ¤«¤ì¤ë¤¬¡¤
&ref(./dnsmasq-options.png);
¤Î¤è¤¦¤Ë IPv6 ¤ò³°¤·¤Æ¤ª¤±¤Ð¤è¤¤¤À¤í¤¦¡¥
¤µ¤Æ¡¤¥¤¥ó¥¹¥È¡¼¥ë»þ¤Ë½Ð¤Æ¤¯¤ë¥á¥Ã¥»¡¼¥¸(¥í¥°¤ò¸«¤ë¤ÈÎɤ¤...
> *** To enable dnsmasq, edit /usr/local/etc/dnsmasq.con...
> *** set dnsmasq_enable="YES" in /etc/rc.conf[.local]
¤È
> ===> SECURITY REPORT:
> This port has installed the following files whic...
> servers and may therefore pose a remote security...
> /usr/local/sbin/dnsmasq
> &br;
> This port has installed the following startup sc...
> these network services to be started at boot time.
> /usr/local/etc/rc.d/dnsmasq
> &br;
> If there are vulnerabilities in these programs t...
> risk to the system. FreeBSD makes no guarantee a...
> ports included in the Ports Collection. Please t...
> to deinstall the port if this is a concern.
> &br;
> For more information, and contact details about ...
> status of this software, see the following webpa...
> http://www.thekelleys.org.uk/dnsmasq/doc.html
¤È¤¤¤¦¤¢¤¿¤ê¤À¡¥
ºÇ½é¤Î¹àÌܤǡ¤
- dnsmasq ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï /usr/local/etc/dnsmasq.conf ¤Ç...
- dnsmasq ¤ò͸ú¤Ë¤¹¤ë¤Ë¤Ï¡¤/etc/rc.conf ¤Ë dnsmasq_enabl...
¤È¤¤¤¦¤³¤È¤¬¤ï¤«¤ê¡¤¼¡¤Î¹àÌܤÇ
- dnsmasq ¤Îµ¯Æ°¥¹¥¯¥ê¥×¥È¤Ï /usr/local/etc/rc.d/dnsmasq ...
¤³¤È¤¬¤ï¤«¤ë¡¥
&br;
** ÀßÄê [#o7a26afd]
¤µ¤Æ¡¤dnsmasq ¤òÍøÍѤ¹¤ë¤¿¤á¤ÎºÇÄã¸Â¤ÎÀßÄê¤ò¤Þ¤º¤Ï¹Ô¤ª¤¦¡¥
dnsmasq ¤ÎÀßÄê¤Î¥Ç¥Õ¥©¥ë¥È¤ÏÈó¾ï¤ËÁÇľ¤Ê¤Î¤Ç¡¤ºÇÄã¸Â¤È¤·¤Æ
- /etc/hosts Ãæ¤Î dnsmasq ¤¬Íý²ò½ÐÍè¤Ê¤¤ÀßÄê¤òºï½ü¤·¤Æ¤ª¤¯
- µ¯Æ°»þ¤Ë dnsmasq ¤¬Æ°ºî¤ò»Ï¤á¤ë¤è¤¦¤Ë¤¹¤ë
- ̾Á°²ò·è¤ò dnsmasq ¤ËÍê¤à¤è¤¦¤ËÀßÄꤹ¤ë
¤È¤¤¤¦ÀßÄê¤À¤±¤·¤Æ¤ª¤±¤Ð¤Þ¤º¤Ï»È¤¨¤ë¤Ï¤º¤À¡¥
&ref(/materials/notes.png); °Ê²¼¤ÎÀßÄê¤ò¼ÂºÝ¤Ë¹Ô¤ª¤¦¡¥
&br;
*** /etc/hosts Ãæ¤Î dnsmasq ¤¬Íý²ò½ÐÍè¤Ê¤¤ÀßÄê¤òºï½ü¤·¤Æ...
/etc/hosts Ãæ¤Ë¤Ï¡¤IPv6 ¤ÎÀßÄ꤬»þ¡¹Ê¶¤ì¹þ¤ó¤Ç¤¤¤¿¤ê¤¹¤ë¡¥
Ä̾ï¤ÏÆä˳²¤Ï¤Ê¤¤¤¬¡¤(IPv6 ¥ª¥×¥·¥ç¥ó¤ò³°¤·¤¿) dnsmasq ...
¶ñÂÎŪ¤Ë¤Ï¡¤/etc/hosts Ãæ¤Ë
> ::1¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡localhost ¤Û¤²¤Û¤²¡Ä
¤È¤¤¤¦¹Ô¤¬¤¢¤ë¾ì¹ç¡¤¤³¤Î¹Ô¤ò̵¸ú¤Ë¤·¤Æ¤ª¤¯¤³¤È¤Ë¤Ê¤ë(¤³¤Î...
&br;
*** µ¯Æ°»þ¤Ë dnsmasq ¤¬Æ°ºî¤ò»Ï¤á¤ë¤è¤¦¤Ë¤¹¤ë [#ofecbc86]
¤³¤ì¤ÏÀè¤Î¥á¥Ã¥»¡¼¥¸¤«¤éÌÀ¤é¤«¤Ê¤è¤¦¤Ë¡¤
dnsmasq_enable="YES"
¤ò ''/etc/rc.conf'' ¤Ë½ñ¤¤¤ÆºÆµ¯Æ°¤¹¤ì¤Ð¤è¤¤¡¥
&br;
*** ̾Á°²ò·è¤ò dnsmasq ¤ËÍê¤à¤è¤¦¤ËÀßÄꤹ¤ë [#l45c17bb]
/etc/resolv.conf ¤Î''ÀèƬ¹Ô''¤Ë
nameserver 127.0.0.1
¤ò½ñ¤¤³¤ó¤Ç¤ª¤±¤Ð¡¤DNS ¤Î̾Á°²ò·è¤ò¤Þ¤º¤Ï(¼«Ê¬¼«¿È¤Î¾å¤Ç...
&ref(/materials/warning.png); IP ¥¢¥É¥ì¥¹ 127.0.0.1 ¤È¤¤...
&ref(/materials/warning.png); ¤³¤ÎÀßÄê¤Ï¡¤"nameserver .....
&ref(/materials/warning.png); ´û¤Ë½ñ¤¤¤Æ¤¢¤ë¤Ï¤º¤Î "names...
&br;
*** dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤«³Îǧ [#gde6ae0b]
BIND ¤ÎÆ°ºî¥Á¥§¥Ã¥¯¤ò¹Ô¤Ã¤¿»þƱÍͤˡ¤
lsof -i4 | less
ps -axuww | less
¤È¤·¤Æ dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤«¥Á¥§¥Ã¥¯¤·¤è¤¦¡¥
Æ°¤¤¤Æ¤¤¤Ê¤¤¤è¤¦¤Ê¤é¤ÐÀßÄê¤ò³Îǧ¤·¤è¤¦¡¥
&br;
** Æ°¤«¤·¤Æ¤ß¤ë [#mfdeba53]
¤µ¤Æ¡¤´û¤Ë dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤Ê¤é¤Ð¤³¤ì¤À¤±¤ÎÀßÄê¤Ç°Õ¼±...
¤½¤³¤Ç¡¤°Ê²¼¤Î¤è¤¦¤Ë¤·¤Æ³Îǧ¤·¤Æ¤ß¤è¤¦¡¥
Î㤨¤Ð¡¤
dig www.osaka-u.ac.jp
¤È¤¹¤ì¤Ð
> ; <<>> DiG 9.6.2-P2 <<>> www.osaka-u.ac.jp
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 58211 IN A 133.1....
> &br;
> ;; Query time: 0 msec
> ;; SERVER: &color(red){127.0.0.1};#53(127.0.0.1)
> ;; WHEN: Wed Jan 26 19:41:24 2011
> ;; MSG SIZE rcvd: 51
¤È¤¤¤¦¤è¤¦¤Ë¡¤127.0.0.1(¼«Ê¬¼«¿È)¤¬²òÅú¤òÊÖ¤¹¤Î¤Ç¡¤¼«Ê¬¼«...
&br;
* dnsmasq ¤¬´É³í¤¹¤ë¥Û¥¹¥È¾ðÊó¤òÄɲ䷤Ƥߤ褦 [#r97cd414]
ÀßÄ꤬¤ä¤äÌÌÅÝ¤Ê BIND ¤È¤Ï°Û¤Ê¤ê¡¤dnsmasq ¤Ç¤Ï dnsmasq ¤¬...
¤½¤³¤Ç¡¤¤½¤Îºî¶È¤ò¤ä¤Ã¤Æ¤ß¤è¤¦¡¥
¸Ä¿Í¸Ä¿Í¤Ç°Û¤Ê¤ë¤è¤¦¤Ë¤¹¤ë¤¿¤á¡¤/etc/hosts ¥Õ¥¡¥¤¥ë¤Ë¡¤
| ¹àÌÜ | ÀßÄêÃÍ | È÷¹Í |h
| Äɲ乤ë¥Û¥¹¥È̾(3¤Ä) | sub&color(red){01};-º£¤Î¥Û¥¹¥È...
| ¤½¤ì¤é¥Û¥¹¥È¤Î IP | 192.168.125.&color(red){110+(3*PCÈÖ...
¤ÎÀßÄê¤òÄɲ䷤褦¡¥
¤³¤ì¤Ï¶ñÂÎŪ¤Ë¤Ï¡¤Î㤨¤Ð ''q05 ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤Ï''
192.168.125.125¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub01-q05 sub01-q05.cl...
192.168.125.126¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub02-q05 sub02-q05.cl...
192.168.125.127¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub03-q05 sub03-q05.cl...
¤È¤¤¤¦3¹Ô¤ò½ñ¤¹þ¤à¤³¤È¤Ë¤Ê¤ë(IP ¤È¥Û¥¹¥È̾¤Î´Ö¤Ï¤ª¤½¤é¤¯...
¤³¤ÎÀßÄê¤ò¹Ô¤Ã¤¿¤¢¤È¡¤½ñ¤´¹¤¨¤¿ÀßÄê¤òÆɤ߹þ¤Þ¤»¤ë¤¿¤á¤Ë ...
/usr/local/etc/rc.d/dnsmasq restart
¤È¤¹¤ì¤Ð¤è¤¤¡¥
&br;
** Äɲä·¤¿¾ðÊó¤ò¼«Ê¬¼«¿È¤¬ÃΤ뤳¤È¤¬¤Ç¤¤ë¤«¥Á¥§¥Ã¥¯¤·¤è...
dig ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¥Á¥§¥Ã¥¯¤·¤è¤¦¡¥
Î㤨¤Ð¡¤q05 ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤Ï¡¤
dig sub02-q05
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦¡¥
ÊÖÅú¤Î ANSWER SECTION ¤ËÀµ¤·¤¤Åú¤¨¤¬Ê֤äƤ¤Æ¤¤¤ì¤Ð¡¤¤...
&br;
** Äɲä·¤¿¾ðÊó¤ò¾¥Þ¥·¥ó¤¬(ľÀÜ)Ì䤤¹ç¤ï¤»¤é¤ì¤ë¤«¥Á¥§¥Ã...
¼«Ê¬¤Î /etc/hosts ¤Ë½ñ¤¤¤¿¾ðÊó¤ò¼«Ê¬¤Ç°ú¤±¤ë¤Î¤Ï DNS ¥µ¡¼...
¤½¤³¤Ç¡¤dnsmasq ¤¬ LAN Æâ¤Î DNS ¥µ¡¼¥Ð¤È¤·¤ÆÆ°¤¯¥¤¥á¡¼¥¸...
Î㤨¤Ð¡¤q05 ''°Ê³°'' ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤¬ q05 ¤ò DNS ¥µ¡¼¥Ð¤È...
dig @q05 sub03-q05
¤È¤·¤Æ¤ß¤ì¤Ð¤è¤¤¡¥
ÊÖÅú¤Î ANSWER SECTION ¤ËÀµ¤·¤¤Åú¤¨¤¬Ê֤äƤ¤Æ¤¤¤ì¤Ð¡¤q05...
&br;
* ¥ì¥Ý¡¼¥È [#ofa42568]
ÅÓÃæ¤Ç¡ÖÄ´¤Ù¤è¡×Åù¤È»Ø¼¨¤µ¤ì¤¿»ö¹à¤Ë¤Ä¤¤¤ÆÄ´ºº¤ò¹Ô¤¤¡¤Êó...
¤â¤Á¤í¤ó³Æ¼«¤Î
+ ½ê°(³ØÉô¡¤³Ø²Ê)
+ ³ØÀÒÈÖ¹æ
+ ³Øǯ
+ »á̾
+ Æü»þ
+ ´Î¿´¤Î¥ì¥Ý¡¼¥ÈÆâÍÆ(ÆÀ¤¿Ãθ«¡¤ºî¶È¤Ë¤Ä¤¤¤Æµ¤¤Å¤¤¤¿¤³¤ÈÅù)
¤ò½ñ¤¯¤Î¤ò˺¤ì¤Ê¤¤¤è¤¦¤Ë.
* about Icons, ClipArts [#r00c46e7]
Some icons in this page are downloadable at [[ICONFINDER:...
The "note" icon &ref(/materials/notes.png); designed by [...
the "warning" icon &ref(/materials/warning.png); designed...
and the "triangle" icon &ref(/materials/JNorth_arrow-righ...
Some clip arts used in this page are downloadable at [[Op...
We deeply appreciate their superb works. With licence, th...
// ¨¬¨¨®¨¯¨°¨±¨²¨³¨´¨µ¨¶
// ¥³¥Þ¥ó¥É¥é¥¤¥óÆþÎϤϡֹÔƬ¤ò¥Ö¥é¥ó¥¯¤Ç»Ï¤á¤ë¡×.
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// &ref(/materials/notes.png);
// Ãí°Õ¥¢¥¤¥³¥ó
// &ref(/materials/warning.png);
// Link ¥¢¥¤¥³¥ó
// &ref(/materials/JNorth_arrow-right-sm.png);
// OK ¥¢¥¤¥³¥ó
// &ref(/materials/OK.png);
// NG ¥¢¥¤¥³¥ó
// &ref(/materials/NG.png);
// Âçʸ»ú¤Ç¤Î¶¯Ä´
// CENTER:&size(24){''¤Û¤²¤Û¤²''};
// programu source ɽµ
// #highlighter(language=ruby,number=on,cache=on){{}}
½ªÎ»¹Ô:
#contents
* ¤¤¤Ä¤â¤Î¥Á¥§¥Ã¥¯ [#e31a348b]
¤¤¤Ä¤â¤Î¤è¤¦¤Ë¡¤¥·¥¹¥Æ¥à¤Ë¤Ä¤¤¤Æ¤Þ¤º¤¤ÅÀ¤¬¤Ê¤¤¤«¥Á¥§¥Ã¥¯...
¶ñÂÎŪ¤Ë¤Ï¡¤°ÊÁ°¤â¼¨¤·¤¿¼¡¤Î¥³¥Þ¥ó¥É¤ò»È¤¦¤³¤È¤Ë¤Ê¤ë¡¥
+ freebsd-update
+ portsnap
+ portaudit
&ref(/materials/warning.png); ¤¿¤À¤·¡¤portaudit ¤Ç½Ð¤Æ¤¯...
* DNS ¤È¤Ï¤Ê¤Ë¤«? [#d0ce1fac]
º£²ó¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ò¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤¿¤é¤·¤á¤Æ¤¤¤ëº¬´´µ»...
¤³¤ì¤Þ¤Ç¤Î¼ø¶ÈÆâÍƤ˲䨤Ƥ³¤Î DNS ¤¬¤ï¤«¤ì¤Ð¡¤¥µ¡¼¥ÐÀßÄê...
¤µ¤Æ¡¤DNS ¤È¤Ï¥Û¥¹¥È̾(¾ÜºÙ¤Ï¸å½Ò¤¹¤ë)¤È IP address ¤ÎÂÐ...
ʬ»¶¤·¤¿µðÂç¤ÊÅÅÏÃÄ¢¤ò»×¤¤É⤫¤Ù¤ì¤Ð¤è¤¤¤À¤í¤¦.
Æüº¢ web ¤ò»È¤Ã¤¿¤ê¤·¤Æ¤¤¤Æ¡¤¤½¤ÎÌò³ä¤Ï´û¤Ë¤ª¤è¤½ÃΤäƤ¤...
#br
CENTER:&ref(./DNS-model.png,80%);
CENTER:DNS ¤Î´ðÁÃŪ¤ÊÌò³ä
#br
°Ê²¼¤Ç¹Ô¤¦¥µ¡¼¥Ð¤ÎÀßÄê¤â¡¤¾ÜºÙÉôʬ¤ò½ü¤±¤Ð¤½¤ó¤Ê¤ËÆñ¤·¤¯...
** ɬ¤º DNS ¤ò»È¤ï¤Ê¤¤¤È¤¤¤±¤Ê¤¤¤«? [#x6ea8512]
»È¤Ã¤Æ¤¤¤ë¥Þ¥·¥ó¤ò¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë·Ò¤°¤Î¤Ç¤¢¤ì¤Ð¤Þ¤ºÉ¬Í×...
DNS ¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Î¥Û¥¹¥È̾¤òÍѤ¤¤Æ¤½¤Î¥Û¥¹¥È¤Ø¥¢¥¯¥»...
¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ÎµðÂ礵¤ò¹Í¤¨¤ë¤È¡¤Â¾¤ÎÊýË¡¤Ç¤³¤Îµ¡Ç½¤ò´°...
µÕ¤Ë¸À¤¨¤Ð¡¤¡Ö¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë·Ò¤¬¤Ê¤±¤ì¤ÐÉÔÍפʤ³¤È¤â¤¢...
** /etc/hosts [#eab1fc7c]
¥Û¥¹¥È̾¤È IP ¥¢¥É¥ì¥¹¤ÎÂбþ¤Ê¤É¤Î¡Ö¥Í¥Ã¥È¥ï¡¼¥¯ÅÅÏÃÄ¢¥Ç...
¤³¤ì¤Ï¡¤ /etc/hosts ¤È¤¤¤¦¥Õ¥¡¥¤¥ë¤Ë½ñ¤¤³¤à¤À¤±¤Ç¤è¤¤.
¤·¤«¤â¤³¤ì¤Ï DNS ¤ÈξΩ¤¬²Äǽ¤Ç¤¢¤ë¡¥
¤³¤ÎÊýË¡¤Ï DNS ¥µ¡¼¥Ð¤¬ÉÔ°ÂÄê¤Ç¤¢¤ë¤è¤¦¤Ê¥Í¥Ã¥È¥ï¡¼¥¯¤Ëµï...
&ref(/materials/warning.png); /etc/hosts ¤Ë¥Û¥¹¥È̾¤È IP...
&br;
&ref(/materials/warning.png); /etc/hosts ¤Î¤³¤ÎÊØÍø¤ÊÀ¼Á...
&br;
¤Ê¤ª¡¤/etc/hosts ¤Î¾ðÊó¤È DNS ¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Î¤É¤Á¤é¤òÍ¥...
¥Ç¥Õ¥©¥ë¥È¤Ç¤Ï
hosts: files dns
¤È¤Ê¤Ã¤Æ¤ª¤ê¡¤/etc/hosts ¤òÍ¥À褹¤ë¤È¤¤¤¦ÂÅÅö¤ÊÀßÄê¤Ë¤Ê¤Ã...
&ref(/materials/notes.png); /etc/nsswitch.conf ¤òÆɤó¤Ç¡¤...
** DNS ¤¬¡Ö¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Îʬ»¶¥Ç¡¼¥¿¥Ù¡¼¥¹¡×¤Î·Á¤Ç¤¢¤ëɬ...
¥Í¥Ã¥È¥ï¡¼¥¯¤ÎµðÂ礵¤È¤½¤ÎÊѲ½¤ÎÁᤵ¤ò¹Í¤¨¤ë¤È¡¤°ì¥«½ê¤Ë...
¤Ä¤Þ¤ê¡¤Ê¬»¶¤·¤Æ¡¤¤Ê¤ë¤Ù¤¯¸½¾ì¤Ë¶á¤¤Éôʬ¤Ç³Æ¡¹´ÉÍý¤·¤Æ¤â...
¤È¤·¤Æ¤Î¤³¤Î·Á¤Ë¼«Á³¤È¹Ô¤Ã夯¤³¤È¤ÏÍý²ò¤Ç¤¤ë¤À¤í¤¦.
** ¥Û¥¹¥È¡¤¥É¥á¥¤¥ó [#te1be59a]
ºåÂç¤Îweb¥µ¡¼¥Ð¤Ï www.osaka-u.ac.jp ¤È¤¤¤¦Ì¾¾Î¤Ç¤¢¤ë¤¬¡¤...
¤Þ¤º¡¤¤³¤ì¤Ï www.osaka-u.ac.jp. ¤ÈºÇ¸å¤Ë¥É¥Ã¥È¤ò¤Ä¤±¤¿É½...
ºÇ¸å¤Î¥É¥Ã¥È¤Ï¡ÖÈó¾ï¤Ë¤·¤Ð¤·¤Ð¡×¾Êά¤µ¤ì¤Æ¤¤¤ë¤À¤±¤Ç¤¢¤ë.
Ä̾ï¥æ¡¼¥¶¤È¤·¤Æ¤Ï¤³¤ì¤Ïµ¤¤Ë¤¹¤ëɬÍפϤʤ¤¤¬¡¤DNS Server ...
&ref(/materials/warning.png); ÉáÃʤϰռ±¤·¤Ê¤¯¤Æ¤è¤¤¤¬¡¤...
¤µ¤Æ¼¡¤Ë¤³¤ÎÃæ¿È¤Ç¤¢¤ë¤¬¡¤¤³¤ì¤Ï osaka-u.ac.jp ¤È¤¤¤¦¥É¥á...
¤µ¤é¤Ë¥É¥á¥¤¥óÉôʬ¤ò¾Ü¤·¤¯²òÀ⤹¤ë¤È¡¤Àµ³Î¤Ë¤Ï¤³¤ì¤Ï .(¥É...
www.osaka-u.ac.jp. ¤ò¿Þ¤Ç½ñ¤¯¤È¼¡¤Î¤è¤¦¤Ë¤Ê¤ë(Îò»ËŪ¤Ë ¤è...
CENTER:&ref(./domain-structure.png);
³Æ³¬ÁؤˤÏÊ£¿ô(¤È¤¤¤¦¤«Èó¾ï¤Ë¿¤¯¤Î)¥É¥á¥¤¥ó¤¬´Þ¤Þ¤ì¤ë¤Î...
CENTER:&ref(./domain-structure-multi.png);
¤Á¤Ê¤ß¤Ë¡¤www.osaka-u.ac.jp ¤Î¤è¤¦¤Ë¡¤¥Û¥¹¥È̾+¥É¥á¥¤¥ó̾...
** DNS ¤ÎÌ䤤¹ç¤ï¤»¤Î¤ª¤ª¤¶¤Ã¤Ñ¤Ê»ÅÁÈ¤ß [#y8b12d62]
DNS ¤ÎÌ䤤¹ç¤ï¤»¤Ï¸úΨ¤ä°ÂÁ´À¤Î¤¿¤á¤Ë¼Â¤Ï·ë¹½Ê£»¨¤Ê»ÅÁÈ...
¤½¤·¤Æ¡¤DNS server ¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Ï¡¤¾å¤Î¥µ¡¼¥Ð¤«¤é½ç¡¹¤Ë...
¤³¤Î¤è¤¦¤Ë¡¤¥Ç¡¼¥¿¥Ù¡¼¥¹¤¬³¬Áع½Â¤¤ò¤â¤Ã¤Æʬ»¶¤µ¤ì¤Æ¤¤¤Æ...
DNS ¤Î»ÅÁȤߤϤ«¤Ê¤ê¸Å¤¤¤ï¤ê¤Ë¡Ö¥·¥ó¥×¥ë¤Ê¤¬¤éÎɤ¯¤Ç¤¤Æ...
¤È¤Ï¤¤¤¨º£¤È¤Ê¤Ã¤Æ¤ÏÍÍ¡¹¤ÊÌäÂ꤬½Ð¤Æ¤¤Æ¤¤¤ë¤Î¤Ç¡¤¾¯¤·¤º...
** DNS Ì䤤¹ç¤ï¤»¤Î¼ïÎà(Æó¼ïÎढ¤ë) [#k153aa5f]
DNS ¥µ¡¼¥Ð¤Ø¤ÎÌ䤤¹ç¤ï¤»¤Ï¡¤Â礶¤Ã¤Ñ¤Ë¸À¤Ã¤ÆÆó¼ïÎढ¤ë.
ʬ¤«¤ê¤Ë¤¯¤¤¤Î¤Ç¤³¤³¤Ç½ñ¤¤¤Æ¤ª¤³¤¦.
: ºÆµ¢ÅªÌ䤤¹ç¤ï¤» | ´ÝÅꤲŪÌ䤤¹ç¤ï¤». ʹ¤«¤ì¤¿Êý¤Ï¡¤¼«...
: ÈóºÆµ¢ÅªÌ䤤¹ç¤ï¤» | ʹ¤«¤ì¤ëÊý¤ËÉéô¤Î¾¯¤Ê¤¤Ì䤤¹ç¤ï¤»...
DNS ¤Î»ÅÁȤߤ«¤é¤¤¤Ã¤Æ¡¤¡Ö狼°ì¿Í¤ÏºÆµ¢ÅªÌ䤤¹ç¤ï¤»¤ËÅú...
Ä̾ï¤Ï¡¤DNS ³¬ÁؤΤʤë¤Ù¤¯²¼¤Ëµï¤ÆºÆµ¢ÅªÌ䤤¹ç¤ï¤»¤ò½èÍý...
** DNS ¤«¤éÆÀ¤é¤ì¤ë¾ðÊó [#j092f47f]
´ðËÜŪ¤Ë¤Ï¡¤DNS ¤Ç(ľÀܤË)ÆÀ¤é¤ì¤ë¾ðÊó¤Ï
| ¥Û¥¹¥È̾¤ò¼ê¤¬¤«¤ê¤È¤·¤¿¾ì¹ç¤Ï | ¤½¤Î¥Û¥¹¥È¤Î IP ¥¢¥É¥ì...
| IP Address ¤ò¼ê¤¬¤«¤ê¤È¤·¤¿¾ì¹ç¤Ï | ¤½¤Î¥Û¥¹¥È̾ |
¤È¤¤¤¦¤³¤È¤Ë¤Ê¤ë.
¤â¤Á¤í¤ó¡¤DNS ¤ËÌ䤤¹ç¤ï¤»¤ë²áÄø¤Ç´ÖÀÜŪ¤Ë¤Ï¤è¤ê¹¤¤¾ðÊó(...
¤³¤³¤Ç¡¤¾å¤Î¡ÖÆÀ¤é¤ì¤ë¾ðÊó¡×¤Ë¤Ä¤¤¤Æ¤â¤¦¾¯¤·¾ðÊó¤òµ¤·¤Æ...
¶ñÂÎŪ¤Ë¤Ï¡¤¼¡¤Î¡Ö¥ì¥³¡¼¥É̾¡×¤Ç¤¢¤ë. ¤³¤ì¤Ï¡¤DNS ¤Ç¤ÎÌä...
| ¥ì¥³¡¼¥É̾ | ²òÀâ |h
| &color(red){SOA}; | ¤½¤Î¾ðÊó¤ÎÀÕǤ¸µ¤Î¾ðÊó. Start of Au...
| A | IP Address |
| AAAA | IP Address(IPv6) |
| NS | ¥Í¡¼¥à¥µ¡¼¥Ð |
| CNAME | ¤½¤Î¥Û¥¹¥È¤ÎÀµ½à̾(¢â¿¿¤Î̾Á°) |
| MX | ¤½¤Î¥¢¥É¥ì¥¹°¸¤Ë¥á¡¼¥ë¤¬Í褿¤é¤É¤Î¥á¡¼¥ë¥µ¡¼¥Ð¤ØÁ÷...
| PTR | ¥Û¥¹¥È̾ |
&ref(/materials/warning.png); ¸«Æ¨¤·¤¬¤Á¤À¤¬¡¤¾å¤Î SOA ¤Ï...
¤¢¤È¡¤DNS ¤Ë¤Ï»þ¡¹ "IN" ¤È¤¤¤¦¥¡¼¥ï¡¼¥É¤¬½Ð¤Æ¤¯¤ë¤¬¡¤¤³...
** Àµ°ú¤ [#t4606e80]
¥Û¥¹¥È̾¤«¤é IP Address ¤ä¾¤Î¾ðÊó¤òÃΤ뤿¤á¤Ë DNS Server...
Àµ°ú¤¤Ç¤¤Ê¤¤¥Û¥¹¥È¤È¤¤¤¦¤Î¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¾å¤Ç¤Ï(°ì±þ)...
** µÕ°ú¤ [#n098b95f]
µÕ¤Ë¡¤IP Address ¤«¤é¥Û¥¹¥È̾¤ä¾¤Î¾ðÊó¤òÃÎ¤í¤¦¤È¤¹¤ëÌ䤤...
¤Á¤Ê¤ß¤Ë¡¤µÕ°ú¤¤Ïɬ¤º½ÐÍè¤Ê¤±¤ì¤Ð¤¤¤±¤Ê¤¤¤Ï¤Èµ¬Äꤵ¤ì¤Æ...
¤Ä¤Þ¤ê¡¤µÕ°ú¤½ÐÍè¤Ê¤¤ IP Address ¤¬¤¢¤Ã¤Æ¤â DNS ¤Î¥ë¡¼¥ë...
¤¿¤À¡¤
- ¥Í¥Ã¥È¥ï¡¼¥¯¾å¤Ç¤½¤ì¤Ê¤ê¤Ë¤¤Á¤ó¤È¤·¤¿¥µ¡¼¥ÐÅù¤Ï¤Û¤È¤ó...
- µÕ°ú¤½ÐÍè¤Ê¤¤¥Û¥¹¥È¤ËÂФ·¤Æ¤Ï¢þ¢þ¤Î¥µ¡¼¥Ó¥¹¤ò¤·¤Ê¤¤¡¤¤È...
- Àµ°ú¤¤ÈµÕ°ú¤¤Î·ë²Ì¤¬À°¹ç¤·¤Ê¤¤¤È¤¤¤±¤Ê¤¤¡¤¤È¤¤¤¦¤µ¤é...
- ƱÍͤΥÁ¥§¥Ã¥¯¤ò¥Ñ¥¹¤·¤Ê¤¤¤ÈÆ°¤«¤Ê¤¤¥³¥Þ¥ó¥É¤â¤¢¤ë
¤Ê¤É¤Ê¤É¡¤µÕ°ú¤¤ò¤¤Á¤ó¤ÈÀßÄꤷ¤Ê¤¤¤Èº¤¤ë¾ìÌ̤⤢¤ë¤Î¤Ç...
//
//
//
* ¥æ¡¼¥¶¤È¤·¤Æ DNS ¤ò»È¤Ã¤Æ¤ß¤ë [#rcc45803]
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(1) host [#iff72087]
¥µ¡¼¥Ð¤ÎÀßÄê°ÊÁ°¤Ë¡¤DNS ¾ðÊó¤òÃΤëÊýË¡¤ò°ìÈÌŪ¤ËÃΤäƤª...
¤¢¤Þ¤êÃΤé¤ì¤Æ¤¤¤Ê¤¤¤è¤¦¤Ë»×¤¦¤¬¡¤"host" ¥³¥Þ¥ó¥É¤¬Àµ°ú¤...
Î㤨¤Ð
host www.osaka-u.ac.jp
¤È¤¹¤ë¤È(Àµ°ú¤)
> www.osaka-u.ac.jp has address 133.1.8.5
¤ÈÅú¤¨ "133.1.8.5" ¤¬Ê֤äƤ¯¤ë¤·,
host 133.1.8.5
¤È¤¹¤ë¤È(µÕ°ú¤)
> 5.8.1.133.in-addr.arpa domain name pointer www.osaka-u...
¤ÈÅú¤¨ "www.osaka-u.ac.jp." ¤¬Ê֤äƤ¯¤ë.
&ref(/materials/warning.png); host ¥³¥Þ¥ó¥É¤ÏΧµ·¤Ë¤âºÇ¸å...
¾åµ¤Î¤è¤¦¤Ë¡¤¥ª¥×¥·¥ç¥ó̵¤·¤À¤È host ¥³¥Þ¥ó¥É¤Ï¤½¤Ã¤±¤Ê...
Î㤨¤Ð¡¤
host -v www.osaka-u.ac.jp
¤È¤¹¤ë¤È, ¼¡¤Î¤è¤¦¤Ê½ÐÎϤ¬ÆÀ¤é¤ì¤ë(·ë²ÌŪ¤Ë A, AAAA, MX ...
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 62737 IN A 133.1....
> &br;
> Received 51 bytes from 8.8.8.8#53 in 60 ms
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 48...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN AAAA
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 143 IN SOA a.osak...
> &br;
> Received 84 bytes from 8.8.8.8#53 in 51 ms
> Trying "www.osaka-u.ac.jp"
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN MX
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 1787 IN SOA a.osak...
> &br;
> Received 84 bytes from 8.8.8.8#53 in 51 ms
¤Á¤Ê¤ß¤Ë¡¤DNS Ì䤤¹ç¤ï¤»·ë²Ìɽ¼¨¤ÎÃæ¤Ç¡¤"IN" ¤ÎÁ°¤Ë¤·¤Ð¤·...
¾¤Ë¤â¡¤·ë¹½Â¿Íͤʥª¥×¥·¥ç¥ó¤¬¤¢¤ë¤Î¤Ç¡¤"man host" ¤È¤·¤Æ...
&ref(/materials/notes.png); ¤Þ¤º¤Ï¾å¤ÈƱ¤¸¤è¤¦¤Ë¤·¤Æ host...
¤Þ¤¿¡¤-v ¥ª¥×¥·¥ç¥ó¤ÎÂå¤ï¤ê¤Ë -a ¤ò»È¤Ã¤Æ¤ß¤è¤¦.
¤Þ¤¿¡¤Å¬Åö¤Ê¥Û¥¹¥È̾¤ËÂФ·¤Æ "host -v" ¤ÇÄ´¤Ù¤¿·ë²Ì¤ò¡¤¤³...
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(2) dig [#ve6ab0ce]
¶áǯ¤Ç¤Ï¡¤DNS Ì䤤¹ç¤ï¤»¤ò¼ê¤Ç¹Ô¤¦¥³¥Þ¥ó¥É¤È¤·¤Æ¤Ï "dig" ...
»È¤¤Êý¤Ï host ¤Ë»÷¤Æ¤¤¤ë¤¬¤è¤êºÙ¤«¤¤((¤È¤¤¤¦¤«ºÙ¤«¤¹¤®¤ë)...
¾Ü¤·¤¯¤Ï "man dig" ¤È "dig -h" ¤ÇÄ´¤Ù¤Æ¤â¤é¤¦¤È¤·¤Æ¡¤Â礶...
&ref(/materials/warning.png); "jman dig" ¤È¤Ï¤·¤Ê¤¤¤³¤È! ...
&br;
Ä̾ï¤Îñ¤Ê¤ëÀµ°ú¤¤Ï
dig www.osaka-u.ac.jp
¤Ç¤è¤¤.
ñ¤Ê¤ëµÕ°ú¤¤Ï "-x" ¥ª¥×¥·¥ç¥ó¤òÍѤ¤¤Æ
dig -x 133.1.8.5
¤È¤¹¤ë.
Ì䤤¹ç¤ï¤»¤Ë»È¤¦ DNS server ¤ò»ØÄꤷ¤¿¤¤¤È¤¤Ï¡¤@¤½¤Î¥µ¡¼...
Î㤨¤Ð¡¤¾å¤Î·ë²Ì¤«¤é www.osaka-u.ac.jp ¤Î¾ðÊó¤ÎÀÕǤ¸µ¤Ç¤¢...
dig @a.osaka-u.ac.jp www.osaka-u.ac.jp
¤È¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> @a.osaka-u.ac.jp www.osaka-u....
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 51...
> ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 3,...
> ;; WARNING: recursion requested but not available
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 259200 IN A 133.1....
> &br;
> ;; AUTHORITY SECTION:
> osaka-u.ac.jp. 259200 IN NS sigw.s...
> osaka-u.ac.jp. 259200 IN NS b.osak...
> osaka-u.ac.jp. 259200 IN NS a.osak...
> &br;
> ;; ADDITIONAL SECTION:
> a.osaka-u.ac.jp. 259200 IN A 133.1....
> b.osaka-u.ac.jp. 259200 IN A 133.1....
> &br;
> ;; Query time: 3 msec
> ;; SERVER: 133.1.192.3#53(133.1.192.3)
> ;; WHEN: Wed Jan 5 20:18:23 2011
> ;; MSG SIZE rcvd: 143
¤È¤Ê¤ê¡¤¼«Ê¬¤¬ÀÕǤ¼Ô¤Ç¤¢¤ë¾ðÊó¤Ë¤Ä¤¤¤Æ¤ÏÁÇľ¤Ë¶µ¤¨¤Æ¤¯¤ì...
&br;
¤Ç¤Ï¡¤¾¯¤·Ä´»Ò¤Ë¤Î¤Ã¤Æ¤³¤Î¥Í¡¼¥à¥µ¡¼¥Ð¤Ë¾¤ÎÌ䤤¹ç¤ï¤»¤ò...
Î㤨¤Ð¡¤
dig @a.osaka-u.ac.jp www.yahoo.co.jp
¤È¤·¤Æ¤ß¤ë. ¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> @a.osaka-u.ac.jp www.yahoo.co...
> ; (1 server found)
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: &color(red){REF...
> ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 0, AD...
> ;; WARNING: recursion requested but not available
> &br;
> ;; QUESTION SECTION:
> ;www.yahoo.co.jp. IN A
> &br;
> ;; Query time: 3 msec
> ;; SERVER: 133.1.192.3#53(133.1.192.3)
> ;; WHEN: Wed Jan 5 20:18:45 2011
> ;; MSG SIZE rcvd: 33
¤È¤Ê¤ê("ANSWER SECTION" ¤¬Ìµ¤¤¤³¤È¡¤status ¤¬ "REFUSED" ...
&br;
¤Á¤Ê¤ß¤Ë¡¤DNS Server ¤¬¤É¤¦¤¤¤¦ÆâÍƤˤɤ¦ÊÖÅú¤·¤Æ¤¯¤ì¤ë¤«...
&br;
¤µ¤Æ¡¤''dig'' ¤Ï ''+trace'' ¤È¤¤¤¦¥ª¥×¥·¥ç¥ó¤ò¤Ä¤±¤ë¤ÈÀ¸...
¤â¤¦¾¯¤·¾Ü¤·¤¯½ñ¤¯¤È¡¤¤³¤Î¥ª¥×¥·¥ç¥óÉÕ¤¤Ç¤Î ''dig'' ¤Ï¡¤...
&ref(/materials/warning.png); µÕ¤Ë¸À¤¨¤Ð¡¤Ä̾ï¤Î dig ¥³¥Þ...
&br;
¤Ä¤Þ¤ê¡¤''+trace'' ¤Ä¤¤Ç ''dig'' ¥³¥Þ¥ó¥É¤ò»È¤Ã¤¿¤È¤¤Ï...
Î㤨¤Ð¡¤
dig +trace www.osaka-u.ac.jp
¤È¤¹¤ë¤È¡¤
> ; <<>> DiG 9.6.2-P2 <<>> +trace www.osaka-u.ac.jp
> ;; global options: +cmd
> . 3103 IN NS a.root...
> . 3103 IN NS b.root...
> . 3103 IN NS c.root...
> . 3103 IN NS d.root...
> . 3103 IN NS e.root...
> . 3103 IN NS f.root...
> . 3103 IN NS g.root...
> . 3103 IN NS h.root...
> . 3103 IN NS i.root...
> . 3103 IN NS j.root...
> . 3103 IN NS k.root...
> . 3103 IN NS l.root...
> . 3103 IN NS m.root...
> ;; Received 228 bytes from 8.8.8.8#53(8.8.8.8) in 50 ms
> &br;
> jp. 172800 IN NS a.dns....
> jp. 172800 IN NS b.dns....
> jp. 172800 IN NS c.dns....
> jp. 172800 IN NS d.dns....
> jp. 172800 IN NS e.dns....
> jp. 172800 IN NS f.dns....
> jp. 172800 IN NS g.dns....
> ;; Received 431 bytes from 198.41.0.4#53(a.root-server...
> &br;
> osaka-u.ac.jp. 86400 IN NS b.osak...
> osaka-u.ac.jp. 86400 IN NS a.osak...
> osaka-u.ac.jp. 86400 IN NS sigw.s...
> ;; Received 127 bytes from 210.138.175.244#53(d.dns.jp...
> &br;
> www.osaka-u.ac.jp. 259200 IN A 133.1....
> osaka-u.ac.jp. 259200 IN NS sigw.s...
> osaka-u.ac.jp. 259200 IN NS b.osak...
> osaka-u.ac.jp. 259200 IN NS a.osak...
> ;; Received 143 bytes from 133.1.119.3#53(b.osaka-u.ac...
¤Ê¤É¤Î¤è¤¦¤ÊÊÖÅú¤¬Ê֤äƤ¯¤ë.
¤³¤ì¤ò¤ß¤ë¤È¡¤
+ »È¤Ã¤Æ¤¤¤ë DNS ¥µ¡¼¥Ð(¤³¤Î¾ì¹ç¤ÏÎã¤È¤·¤Æ 8.8.8.8 ¤ò»È¤Ã...
¤¬ 13Â椢¤ë¤³¤È¤òÃΤë(¥Õ¥ë¥µ¡¼¥Ó¥¹¥ê¥¾¥ë¥Ð¤È¸Æ¤Ð¤ì¤ë¥ê¥¾...
+ ¤½¤Î 13Âæ¤ÎÃæ¤Î a.root-servers.net ¤Ë "jp." ôÅö¤Î NS ...
+ ¤½¤Î 7Âæ¤ÎÃæ¤Î d.dns.jp ¤Ë "osaka-u.ac.jp." ôÅö¤Î NS ...
+ ¤½¤Î 3Âæ¤ÎÃæ¤Î b.osaka-u.ac.jp ¤Ë www.osaka-u.ac.jp. ¤Î...
¤È¤¤¤¦Î®¤ì¤Ç¸¡º÷¤·¤¿¤³¤È¤¬¤è¤¯Ê¬¤«¤ë.
¤¿¤À¤·¡¤Ä̾ï¤Ï¡¤¤Ê¤ë¤Ù¤¯¥Í¥Ã¥È¥ï¡¼¥¯¾å¤òή¤ì¤ë¾ðÊ󤬾¯¤Ê...
*** ¥ë¡¼¥È¥µ¡¼¥Ð¤Î½ÅÍ×À¤È¥»¥¥å¥ê¥Æ¥£ [#g7238820]
¤³¤³¤Ç¡¤¾å¤Ë½Ð¤Æ¤¤¿¥ë¡¼¥È¥É¥á¥¤¥óôÅö¤Î DNS¥µ¡¼¥Ð(¥ë¡¼¥È...
¤³¤Î¥ë¡¼¥È¥µ¡¼¥Ð¤Ï¡¤DNS ¤ÎÁí¸µÄù¤Ç¤¢¤ë¤Î¤Ç¡¤¤³¤ì¤é¤¬¤¤Á...
¤Þ¤¿µÕ¤Ë¸À¤¨¤Ð¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ø¤Î¹¶·â¼Ô¤«¤é¤ß¤ì¤Ð¥ë¡¼¥È...
¤½¤Î¤¿¤á¡¤¤³¤ì¤Þ¤Ç¤Ë¤âÂ絬ÌϤγƼﹶ·â¤Ë¤¿¤Ó¤¿¤Ó¤µ¤é¤µ¤ì...
¤·¤«¤·¡¤13Â椬À¤³¦³ÆÃϤ˻¶¤Ã¤Æ¤¤¤ë¤³¤È¤ä»ÈÍѤ¹¤ë¥½¥Õ¥È¥¦...
&ref(/materials/notes.png); ¥ë¡¼¥È¥µ¡¼¥Ð¤ËÂФ¹¤ë¤³¤ì¤Þ¤Ç...
&br;
&ref(/materials/warning.png); ¤Á¤Ê¤ß¤Ë¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ò...
¤³¤¦¤·¤¿¾ðÊó¤Ï http://www.root-servers.org/ ¤Ë¥ê¥¹¥È¤¬¤¢...
** DNS ¤Î¾õÂÖÅù¤òÃΤë¥Ä¡¼¥ë(3) nslookup [#g2f5bc92]
dig ¤¬¹¤¯ÃΤé¤ì¤ëÁ°¤Ï¤è¤¯»È¤ï¤ì¤Æ¤¤¤¿¤Î¤¬¤³¤Î "nslookup"...
¤¢¤ë¾ò·ï¤òËþ¤¿¤µ¤Ê¤¤Ì䤤¹ç¤ï¤»¤ò¤½¤â¤½¤â¼õ¤±ÉÕ¤±¤Ê¤¤¤³¤È...
&ref(/materials/notes.png); "man nslookup" ¤È¤·¤Æ nslooku...
// ¤à¤·¤íÄ̾ï¥æ¡¼¥¶¤Ë¤È¤Ã¤Æ¤Î¼ÂÍѾå¤Î°ìÈ֤ηçÅÀ¤Ï¡¤(¸Å¤á...
&ref(/materials/notes.png); host, dig, nslookup ¤Ë¤Ä¤¤¤Æ...
¤Þ¤¿¡¤¤ª¤è¤ÓÆÀ¤é¤ì¤¿ IP ¥¢¥É¥ì¥¹¤ò¸µ¤ËµÕ°ú¤¤ò¹Ô¤Ã¤Æ¤ß¤è.
¤Þ¤¿¡¤¼«Ê¬¤Î·ÈÂӤΥ᡼¥ë¥¢¥É¥ì¥¹¤Ë¥á¡¼¥ë¤ò½Ð¤¹¾ì¹ç¡¤¤½¤Î...
//
//
//
* DNS µÕ°ú¤¤Î»ÅÁÈ¤ß [#zd0784ff]
BIND ¤ÎÀßÄê¤ò»Ï¤á¤ëÁ°¤Ë¡¤µÕ°ú¤¤Î»ÅÁȤߤˤĤ¤¤Æ¤â¿¨¤ì¤Æ¤ª...
¼Â¤Ï¡¤ÍøÍѼԤΤ褯¤¢¤ëľ´¶¤È°Û¤Ê¤ê¡¤DNS ¤ÎµÕ°ú¤(IP ¥¢¥É...
IP ¥¢¥É¥ì¥¹¤â FQDN ¤Î¤è¤¦¤Ë³¬Áع½Â¤¤ò¤·¤Æ¤¤¤ë¤³¤È¤òÍøÍѤ·...
¡ÖIP ¥¢¥É¥ì¥¹¤â¥Û¥¹¥È̾¤Î°ì¼ï¤Ç¤¢¤ë¤È¤ß¤Ê¤·¤Æ DNS ¤Î»ÅÁÈ...
¤³¤È¤ÇµÕ°ú¤¤ò¼Â¸½¤·¤Æ¤¤¤ë.
¶ñÂÎŪ¤Ë¤Ï¡¤"in-addr.arpa." ¤È¤¤¤¦µÕ°ú¤ÀìÍѤÎÆÃÊ̤ʥɥá...
&ref(/materials/warning.png); ¥É¥á¥¤¥ó¤Î¥Ä¥ê¡¼¹½Â¤¤È¡¤IP ...
Î㤨¤Ð¡¤192.168.125.91 ¤È¤¤¤¦ IP ¥¢¥É¥ì¥¹¤Ï¡¤91.125.168.1...
CENTER:&ref(./inverse-IPdomain.png);
CENTER:IP ¤¬ 192.168.125.91 ¤Ç¤¢¤ë¥Þ¥·¥ó¤ÎµÕ°ú¤Íѥɥᥤ...
&br;
µÕ°ú¤ÀßÄê¤Ç¤Ï¤³¤ÎÃ챤¬É¬ÍפʤΤdzФ¨¤Æ¤ª¤³¤¦.
dig ¥³¥Þ¥ó¥É¤Ê¤É¤Ç¡¤¾å¤Î»ÅÁȤߤò¼Â´¶¤·¤Æ¤ß¤è¤¦.
¶ñÂÎŪ¤Ë¤Ï¡¤Î㤨¤Ð¥Þ¥·¥ó q01.cl.math.sci.osaka-u.ac.jp = ...
host -t PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ë¤È¡¤
> 91.125.168.192.in-addr.arpa domain name pointer q01.cl....
¤È¤·¤Æ¡¤³Î¤«¤Ë¤³¤Î°ú¤Êý¤ÇÅú¤¨¤¬Ê֤äƤ¯¤ë¤³¤È¤¬Ê¬¤«¤ë.
(¤¿¤À¤·¡¤¤³¤ì¤òËè²ó¤ä¤ë¤Î¤ÏÌÌÅݤÀ¤«¤é¤«¡¤¤¿¤¤¤Æ¤¤¤Î¥³¥Þ¥ó...
ƱÍͤˡ¤dig ¥³¥Þ¥ó¥É¤Ç¤â¡¤
dig -t PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ì¤Ð¤è¤¤¤·¡¤nslookup ¥³¥Þ¥ó¥É¤Ç¤â¡¤
nslookup -q=PTR 91.125.168.192.in-addr.arpa.
¤È¤¹¤ì¤Ð¡¤ËÜÍè¤Î·Á¤Ç¤ÎµÕ°ú¤¤¬¤Ç¤¤ë.
&ref(/materials/warning.png); ¾å¤ÎÎã¤Ç¤Ï¡¤Ì䤤¹ç¤ï¤»¥¿¥¤...
&ref(/materials/notes.png); ¼«Ê¬¤Î¥Þ¥·¥ó¤Î IP ¥¢¥É¥ì¥¹¤ò...
* DNS Ì䤤¹ç¤ï¤»¥¯¥é¥¤¥¢¥ó¥È¤ÎÀßÄê [#ee65f9ef]
¥µ¡¼¥Ð BIND¤ÎÀßÄê¤ÎÁ°¤Ë¡¤DNS ¤ÎÌ䤤¹ç¤ï¤»¤ÎÀßÄê¤Ï FreeBSD...
FreeBSD ¤Ç¤Ï DNS Ì䤤¹ç¤ï¤»¤ò¹Ô¤¦»þ¤ÎÀßÄê¤Ï´ðËÜŪ¤Ë /etc/...
¾ÜºÙ¤Ï man resolv.conf ¤â¤·¤¯¤Ï jman resolv.conf ¤È¤·¤Æ¥Þ...
| ¥ª¥×¥·¥ç¥ó | Îã(¤É¤ì¤â1¹Ô¤Ç½ñ¤«¤ì¤ë) | ÀâÌÀ |h
| nameserver | nameserver 192.168.125.14 | DNS ¤Î(ºÆµ¢Åª...
| domain | domain cl.math.sci.osaka-u.ac.jp | ¥í¡¼¥«¥ë¥É...
| search | search math.sci.osaka-u.ac.jp sci.osaka-u.ac....
&ref(/materials/notes.png); /etc/resolv.conf ¤Î search ¥ª...
¶ñÂÎŪ¤Ë¤Ï¡¤
> search cl.math.sci.osaka-u.ac.jp math.sci.osaka-u.ac.j...
¤È¤¤¤¦¹Ô¤ò /etc/resolv.conf ¤Ë²Ã¤¨¤¿¸å¡¤
&ref(/materials/warning.png); 1¹Ô¤Ç½ñ¤¯¤³¤È!
host www
¤ä
dig +search -t ANY mail
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦.
&ref(/materials/warning.png); dig ¥³¥Þ¥ó¥É¤Ï¡¤¥Ç¥Õ¥©¥ë¥È...
* DNS ¥µ¡¼¥Ð¤Î¿½Å²½ [#mb7b458e]
¤µ¤Æ¡¤¤½¤í¤½¤í DNS ¥µ¡¼¥Ð¤ÎÏÃ¤Ë°Ü¤í¤¦.
¤Þ¤º DNS ¥µ¡¼¥Ð¤Î¿½Å²½¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤Æ¤ª¤³¤¦.
DNS ¥µ¡¼¥Ð¤Ï¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤ÇÈó¾ï¤Ë½ÅÍפÊÌò³ä¤ò²Ì¤¿¤¹¤â¤Î...
¤½¤³¤Ç¡¤¸øŪ¤Ê DNS ¥µ¡¼¥Ð¤Ï´ðËÜŪ¤Ë2²Õ½ê°Ê¾å¤Ë¿½Å²½¤¹¤ë...
&ref(/materials/warning.png); ¤¤¤Þ¤Þ¤Ç dig Åù¤Ç DNS ¾ðÊó...
¤½¤·¤Æ¡¤Â¿½Å²½¤·¤¿ºÝ¤Î¥Ç¡¼¥¿¤ÎÀ°¹çÀ¤ä¹¹¿·¤Ë¤Ä¤¤¤Æ¤â¡¤¤...
¤³¤ì¤Ï¡¤1¤Ä¤Î¥¾¡¼¥ó(1¤Ä¤Î DNS ¾ðÊó¤ÎÀÕǤÈϰϤȻפ¨¤Ð¤è¤¤)...
¤½¤¦¤·¤Æ¡¤¥ª¥ê¥¸¥Ê¥ë¾ðÊ󤬥ޥ¹¥¿¡¼¥µ¡¼¥Ð¤«¤é¥¹¥ì¡¼¥Ö¥µ¡¼...
¤³¤ì¤ò¥¾¡¼¥óžÁ÷¤È¤¤¤¦.¥¾¡¼¥óžÁ÷¤â DNS ¥µ¡¼¥Ð¤Î»Å»ö¤Ê¤Î...
¤Ê¤ª¡¤DNS Ì䤤¹ç¤ï¤»¤ò¹Ô¤¦¥¯¥é¥¤¥¢¥ó¥È¤«¤é¸«¤ë¤È¥Þ¥¹¥¿¡¼...
* DNS ¥µ¡¼¥Ð¤Î¿Æ»Ò´Ø·¸ [#l3e5c2a7]
¼¡¤Ë¡¤DNS ¥µ¡¼¥Ð¤Î¿Æ»Ò´Ø·¸¤Ë¤Ä¤¤¤Æ½Ò¤Ù¤è¤¦.
³Æ¡¹¤Î DNS ¥µ¡¼¥Ð¤¬¶É½êŪ¤Ê¾ðÊó¤ò»ý¤Ã¤Æ¤¤¤ë¤À¤±¤ÇÁ´ÂΤ¬¤¦...
¤Þ¤º¡¤DNS ¤¬³¬ÁØŪ¤Ç¤¢¤ê¡¤¤½¤Î¾ðÊó¤ò´ÉÍý¤¹¤ë DNS ¥µ¡¼¥Ð¤â...
¤µ¤Æ¡¤¤Ç¤Ï¤½¤Î³¬ÁØ¡¤¿Æ»Ò´Ø·¸(¿Æ¤¬¤è¤êÂ礤ʥɥᥤ¥ó¤ò¡¤»Ò...
¤³¤ì¤Ï¡¤¡Ö¿Æ¥µ¡¼¥Ð¤¬¡¤»Ò¥µ¡¼¥Ð¤¬¥µ¥Ö¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤...
&ref(/materials/warning.png); »Ò¤Ï¿Æ¤òľÀÜÃΤëɬÍפϤʤ¤....
¶ñÂÎŪ¤Ë¤Ï¡¤¿Æ¥µ¡¼¥Ð¤Î¤½¤Î¥¾¡¼¥ó(¥É¥á¥¤¥ó)¾ðÊó¤ÎÃæ¤Ë¡¤»Ò...
&ref(/materials/warning.png); ¤³¤ì¤¬ DNS ¥µ¡¼¥Ð´ÉÍý¤Î°ìÈÖ...
ʬ¤«¤ê°×¤¤¤è¤¦¤Ë¶ñÂÎÎã¤Ç½ñ¤³¤¦.
Î㤨¤Ð¡¤¤¢¤ë¿Æ¥µ¡¼¥Ð¤¬ aaa.com ¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤¤Æ¡¤»Ò...
¤³¤Î»þ¤Ï¡¤¿Æ¥µ¡¼¥Ð¤ÎÀßÄê¥Õ¥¡¥¤¥ëÃæ¤Î aaa.com ¥¾¡¼¥ó¾ðÊóÆâ¤Ë
> sub.aaa.com. IN NS ns.sub.aaa.com.
> ns.sub.aaa.com. IN A 192.168.125.105
¤Ê¤É¤È½ñ¤¯¤³¤È¤Ë¤Ê¤ë.
&ref(/materials/warning.png); Åö¤¿¤êÁ°¤À¤¬¡¤Æó¹ÔÌܤξðÊó...
¤µ¤Æ¡¤¤³¤ÎÏäòµÕ¤Ë¸À¤¨¤Ð¡¤
¡Ö¿Æ¥µ¡¼¥Ð¤¬¡¤»Ò¥µ¡¼¥Ð¤¬(¥µ¥Ö)¥É¥á¥¤¥ó¤ò´ÉÍý¤·¤Æ¤¤¤ë¤³¤È...
¾õ¶·¤Ç¤Ï¡¤¤½¤Î(¥µ¥Ö)¥É¥á¥¤¥ó¤Î¾ðÊó¤Ï¡Ö»Ò¥µ¡¼¥Ð¤ËľÀÜÌ䤤...
¤è¤Ã¤Æ¡¤Î㤨¤Ð¸¦µæ¼¼Æâ¤ä¼«ÂðÆâ¤Ç¤Î¤ßÄÌÍѤ¹¤ë¥Þ¥·¥ó¤Î̾Á°...
¤â¤Á¤í¤ó¡¤¤³¤Î¾ì¹ç¤Ï¤³¤Î¥µ¥Ö¥É¥á¥¤¥ó¾ðÊó¤ò»È¤Ã¤Æ³°¤«¤é¥¢...
¤Á¤Ê¤ß¤Ë¡¤º£²ó¤Î¼ø¶È¤Ç¤Ï¤³¤Á¤é¤Î·Á¤ÎÀßÄê¤ò¹Ô¤¦¡¥
* DNS ¥µ¡¼¥Ð¤Î¥½¥Õ¥È¥¦¥§¥¢¤Ë¤Ä¤¤¤Æ [#ac9edce7]
// ¤µ¤Æ¡¤DNS server (¾¤Ë¤Ï¡¤¥Í¡¼¥à¥µ¡¼¥Ð¤È¤¤¤¦Ì¾Á°¤âÎɤ¯...
// ** DNS server ¤È¤·¤Æ²¿¤ò»È¤¦¤« [#ofb9e9b3]
DNS server ¥½¥Õ¥È¥¦¥§¥¢¤È¤·¤Æ¤Ï¼ç¤Ë BIND (Berkeley Intern...
¤â¤Á¤í¤óÀ¤¤ÎÃæ¤Ë¤Ï¾¤Î¥½¥Õ¥È¥¦¥§¥¢¤â¤¢¤ë¤¬¡¤BIND ¤ÎÍøÍÑΨ...
¤³¤Î BIND ¤Ï¡¤BSD ͳÍè¤Î¥½¥Õ¥È¥¦¥§¥¢¤Ç¤¢¤ê¡¤FreeBSD ¤Ç¤Ï...
¤¿¤À¤·¡¤¸å½Ò¤¹¤ë¥»¥¥å¥ê¥Æ¥£¤ÎÌäÂ꤬¤¢¤ë¤Î¤Ç¡¤¤½¤Î»þÍøÍÑ...
¤·¤«¤·¡¤¤³¤Î BIND ¤Ïµ¡Ç½¤¬´°Á´¤Êʬ¤À¤±ÀßÄ꤬¤ä¤äÂçÊѤÀ¡¥
¤â¤Á¤í¤ó¡¤¥¤¥ó¥¿¡¼¥Í¥Ã¥È¤Ë´°Á´¤ËÀܳ¤¹¤ëÂ絬ÌϤʥ·¥¹¥Æ¥à...
¤³¤ì¤ÏÀè¤ËÎã¤Ëµó¤²¤¿¡¤Âç³Ø¤Î¸¦µæ¼¼ÆâÉô¤ä¡¤¸Ä¿Í¤Î¼«ÂðÆ⡤...
¤³¤¦¤·¤¿¡Ö³°¤Ë¸þ¤±¤Æ¾ðÊó¤òÅÁ¤¨¤ëɬÍפÎ̵¤¤¡×¡¤¤¹¤Ê¤ï¤Á¡ÖD...
&ref(/materials/warning.png); dnsmasq ¤Ë¤Ï DHCP ¥µ¡¼¥Ð¤È...
&ref(/materials/warning.png); ¼Â¤Ï¡¤³§¤¬¼«Âð¤ÇƳÆþ¤·¤Æ¤¤...
¤Ê¤ª¡¤BIND ¤ò»È¤¤¤¿¤¤¤è¤¦¤Ê¾ì¹ç¤Ï¡¤Á°Ç¯Å٤μø¶È»ñÎÁ¤ò»²¾È...
* dnsmasq ¤Î¥¤¥ó¥¹¥È¡¼¥ë¤ÈÀßÄê [#vdc0b9b5]
** ¥¤¥ó¥¹¥È¡¼¥ëÁ°¤Î½àÈ÷ [#f11eeaed]
¤Þ¤º¤ÏÀè¤Ë½Ò¤Ù¤¿ BIND ¤¬´û¤ËÆ°¤¤¤Æ¤¤¤¿¤ê¤·¤Ê¤¤¤«¥Á¥§¥Ã¥¯...
lsof -i4 | less
ps -axuww | less
¤Ê¤É¤È¤·¤Æ¡¤"named" ¤È¤¤¤¦¥Ç¡¼¥â¥ó(BIND ¤Î¤³¤È)¤¬Æ°¤¤¤Æ¤¤...
&ref(/materials/warning.png);º®Í𤷤¬¤Á¤Ç¤¢¤ë¤¬¡¤BIND ¤¬...
¤½¤·¤Æ BIND ¤¬Æ°¤¤¤Æ¤¤¤ë¤è¤¦¤Ê¾ì¹ç¤Ï ''kill'' ¥³¥Þ¥ó¥É¤Ê...
&ref(/materials/warning.png); BIND ¤ò¥¢¥ó¥¤¥ó¥¹¥È¡¼¥ë¤¹¤ë...
&br;
** ¥¤¥ó¥¹¥È¡¼¥ë [#ecb4d832]
¤¤¤Ä¤â¤Î¤è¤¦¤Ë portsnap ¤ò¤¤Á¤ó¤È¤·¤Æ¤«¤é¡¤
portinstall dnsmasq
¤ÇÂç¾æÉפʤϤº¡¥
¤½¤ÎºÝ¡¤¥ª¥×¥·¥ç¥ó¤òʹ¤«¤ì¤ë¤¬¡¤
&ref(./dnsmasq-options.png);
¤Î¤è¤¦¤Ë IPv6 ¤ò³°¤·¤Æ¤ª¤±¤Ð¤è¤¤¤À¤í¤¦¡¥
¤µ¤Æ¡¤¥¤¥ó¥¹¥È¡¼¥ë»þ¤Ë½Ð¤Æ¤¯¤ë¥á¥Ã¥»¡¼¥¸(¥í¥°¤ò¸«¤ë¤ÈÎɤ¤...
> *** To enable dnsmasq, edit /usr/local/etc/dnsmasq.con...
> *** set dnsmasq_enable="YES" in /etc/rc.conf[.local]
¤È
> ===> SECURITY REPORT:
> This port has installed the following files whic...
> servers and may therefore pose a remote security...
> /usr/local/sbin/dnsmasq
> &br;
> This port has installed the following startup sc...
> these network services to be started at boot time.
> /usr/local/etc/rc.d/dnsmasq
> &br;
> If there are vulnerabilities in these programs t...
> risk to the system. FreeBSD makes no guarantee a...
> ports included in the Ports Collection. Please t...
> to deinstall the port if this is a concern.
> &br;
> For more information, and contact details about ...
> status of this software, see the following webpa...
> http://www.thekelleys.org.uk/dnsmasq/doc.html
¤È¤¤¤¦¤¢¤¿¤ê¤À¡¥
ºÇ½é¤Î¹àÌܤǡ¤
- dnsmasq ¤ÎÀßÄê¥Õ¥¡¥¤¥ë¤Ï /usr/local/etc/dnsmasq.conf ¤Ç...
- dnsmasq ¤ò͸ú¤Ë¤¹¤ë¤Ë¤Ï¡¤/etc/rc.conf ¤Ë dnsmasq_enabl...
¤È¤¤¤¦¤³¤È¤¬¤ï¤«¤ê¡¤¼¡¤Î¹àÌܤÇ
- dnsmasq ¤Îµ¯Æ°¥¹¥¯¥ê¥×¥È¤Ï /usr/local/etc/rc.d/dnsmasq ...
¤³¤È¤¬¤ï¤«¤ë¡¥
&br;
** ÀßÄê [#o7a26afd]
¤µ¤Æ¡¤dnsmasq ¤òÍøÍѤ¹¤ë¤¿¤á¤ÎºÇÄã¸Â¤ÎÀßÄê¤ò¤Þ¤º¤Ï¹Ô¤ª¤¦¡¥
dnsmasq ¤ÎÀßÄê¤Î¥Ç¥Õ¥©¥ë¥È¤ÏÈó¾ï¤ËÁÇľ¤Ê¤Î¤Ç¡¤ºÇÄã¸Â¤È¤·¤Æ
- /etc/hosts Ãæ¤Î dnsmasq ¤¬Íý²ò½ÐÍè¤Ê¤¤ÀßÄê¤òºï½ü¤·¤Æ¤ª¤¯
- µ¯Æ°»þ¤Ë dnsmasq ¤¬Æ°ºî¤ò»Ï¤á¤ë¤è¤¦¤Ë¤¹¤ë
- ̾Á°²ò·è¤ò dnsmasq ¤ËÍê¤à¤è¤¦¤ËÀßÄꤹ¤ë
¤È¤¤¤¦ÀßÄê¤À¤±¤·¤Æ¤ª¤±¤Ð¤Þ¤º¤Ï»È¤¨¤ë¤Ï¤º¤À¡¥
&ref(/materials/notes.png); °Ê²¼¤ÎÀßÄê¤ò¼ÂºÝ¤Ë¹Ô¤ª¤¦¡¥
&br;
*** /etc/hosts Ãæ¤Î dnsmasq ¤¬Íý²ò½ÐÍè¤Ê¤¤ÀßÄê¤òºï½ü¤·¤Æ...
/etc/hosts Ãæ¤Ë¤Ï¡¤IPv6 ¤ÎÀßÄ꤬»þ¡¹Ê¶¤ì¹þ¤ó¤Ç¤¤¤¿¤ê¤¹¤ë¡¥
Ä̾ï¤ÏÆä˳²¤Ï¤Ê¤¤¤¬¡¤(IPv6 ¥ª¥×¥·¥ç¥ó¤ò³°¤·¤¿) dnsmasq ...
¶ñÂÎŪ¤Ë¤Ï¡¤/etc/hosts Ãæ¤Ë
> ::1¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡localhost ¤Û¤²¤Û¤²¡Ä
¤È¤¤¤¦¹Ô¤¬¤¢¤ë¾ì¹ç¡¤¤³¤Î¹Ô¤ò̵¸ú¤Ë¤·¤Æ¤ª¤¯¤³¤È¤Ë¤Ê¤ë(¤³¤Î...
&br;
*** µ¯Æ°»þ¤Ë dnsmasq ¤¬Æ°ºî¤ò»Ï¤á¤ë¤è¤¦¤Ë¤¹¤ë [#ofecbc86]
¤³¤ì¤ÏÀè¤Î¥á¥Ã¥»¡¼¥¸¤«¤éÌÀ¤é¤«¤Ê¤è¤¦¤Ë¡¤
dnsmasq_enable="YES"
¤ò ''/etc/rc.conf'' ¤Ë½ñ¤¤¤ÆºÆµ¯Æ°¤¹¤ì¤Ð¤è¤¤¡¥
&br;
*** ̾Á°²ò·è¤ò dnsmasq ¤ËÍê¤à¤è¤¦¤ËÀßÄꤹ¤ë [#l45c17bb]
/etc/resolv.conf ¤Î''ÀèƬ¹Ô''¤Ë
nameserver 127.0.0.1
¤ò½ñ¤¤³¤ó¤Ç¤ª¤±¤Ð¡¤DNS ¤Î̾Á°²ò·è¤ò¤Þ¤º¤Ï(¼«Ê¬¼«¿È¤Î¾å¤Ç...
&ref(/materials/warning.png); IP ¥¢¥É¥ì¥¹ 127.0.0.1 ¤È¤¤...
&ref(/materials/warning.png); ¤³¤ÎÀßÄê¤Ï¡¤"nameserver .....
&ref(/materials/warning.png); ´û¤Ë½ñ¤¤¤Æ¤¢¤ë¤Ï¤º¤Î "names...
&br;
*** dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤«³Îǧ [#gde6ae0b]
BIND ¤ÎÆ°ºî¥Á¥§¥Ã¥¯¤ò¹Ô¤Ã¤¿»þƱÍͤˡ¤
lsof -i4 | less
ps -axuww | less
¤È¤·¤Æ dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤«¥Á¥§¥Ã¥¯¤·¤è¤¦¡¥
Æ°¤¤¤Æ¤¤¤Ê¤¤¤è¤¦¤Ê¤é¤ÐÀßÄê¤ò³Îǧ¤·¤è¤¦¡¥
&br;
** Æ°¤«¤·¤Æ¤ß¤ë [#mfdeba53]
¤µ¤Æ¡¤´û¤Ë dnsmasq ¤¬Æ°¤¤¤Æ¤¤¤ë¤Ê¤é¤Ð¤³¤ì¤À¤±¤ÎÀßÄê¤Ç°Õ¼±...
¤½¤³¤Ç¡¤°Ê²¼¤Î¤è¤¦¤Ë¤·¤Æ³Îǧ¤·¤Æ¤ß¤è¤¦¡¥
Î㤨¤Ð¡¤
dig www.osaka-u.ac.jp
¤È¤¹¤ì¤Ð
> ; <<>> DiG 9.6.2-P2 <<>> www.osaka-u.ac.jp
> ;; global options: +cmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10...
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0,...
> &br;
> ;; QUESTION SECTION:
> ;www.osaka-u.ac.jp. IN A
> &br;
> ;; ANSWER SECTION:
> www.osaka-u.ac.jp. 58211 IN A 133.1....
> &br;
> ;; Query time: 0 msec
> ;; SERVER: &color(red){127.0.0.1};#53(127.0.0.1)
> ;; WHEN: Wed Jan 26 19:41:24 2011
> ;; MSG SIZE rcvd: 51
¤È¤¤¤¦¤è¤¦¤Ë¡¤127.0.0.1(¼«Ê¬¼«¿È)¤¬²òÅú¤òÊÖ¤¹¤Î¤Ç¡¤¼«Ê¬¼«...
&br;
* dnsmasq ¤¬´É³í¤¹¤ë¥Û¥¹¥È¾ðÊó¤òÄɲ䷤Ƥߤ褦 [#r97cd414]
ÀßÄ꤬¤ä¤äÌÌÅÝ¤Ê BIND ¤È¤Ï°Û¤Ê¤ê¡¤dnsmasq ¤Ç¤Ï dnsmasq ¤¬...
¤½¤³¤Ç¡¤¤½¤Îºî¶È¤ò¤ä¤Ã¤Æ¤ß¤è¤¦¡¥
¸Ä¿Í¸Ä¿Í¤Ç°Û¤Ê¤ë¤è¤¦¤Ë¤¹¤ë¤¿¤á¡¤/etc/hosts ¥Õ¥¡¥¤¥ë¤Ë¡¤
| ¹àÌÜ | ÀßÄêÃÍ | È÷¹Í |h
| Äɲ乤ë¥Û¥¹¥È̾(3¤Ä) | sub&color(red){01};-º£¤Î¥Û¥¹¥È...
| ¤½¤ì¤é¥Û¥¹¥È¤Î IP | 192.168.125.&color(red){110+(3*PCÈÖ...
¤ÎÀßÄê¤òÄɲ䷤褦¡¥
¤³¤ì¤Ï¶ñÂÎŪ¤Ë¤Ï¡¤Î㤨¤Ð ''q05 ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤Ï''
192.168.125.125¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub01-q05 sub01-q05.cl...
192.168.125.126¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub02-q05 sub02-q05.cl...
192.168.125.127¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡sub03-q05 sub03-q05.cl...
¤È¤¤¤¦3¹Ô¤ò½ñ¤¹þ¤à¤³¤È¤Ë¤Ê¤ë(IP ¤È¥Û¥¹¥È̾¤Î´Ö¤Ï¤ª¤½¤é¤¯...
¤³¤ÎÀßÄê¤ò¹Ô¤Ã¤¿¤¢¤È¡¤½ñ¤´¹¤¨¤¿ÀßÄê¤òÆɤ߹þ¤Þ¤»¤ë¤¿¤á¤Ë ...
/usr/local/etc/rc.d/dnsmasq restart
¤È¤¹¤ì¤Ð¤è¤¤¡¥
&br;
** Äɲä·¤¿¾ðÊó¤ò¼«Ê¬¼«¿È¤¬ÃΤ뤳¤È¤¬¤Ç¤¤ë¤«¥Á¥§¥Ã¥¯¤·¤è...
dig ¥³¥Þ¥ó¥É¤ò»È¤Ã¤Æ¥Á¥§¥Ã¥¯¤·¤è¤¦¡¥
Î㤨¤Ð¡¤q05 ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤Ï¡¤
dig sub02-q05
¤Ê¤É¤È¤·¤Æ¤ß¤è¤¦¡¥
ÊÖÅú¤Î ANSWER SECTION ¤ËÀµ¤·¤¤Åú¤¨¤¬Ê֤äƤ¤Æ¤¤¤ì¤Ð¡¤¤...
&br;
** Äɲä·¤¿¾ðÊó¤ò¾¥Þ¥·¥ó¤¬(ľÀÜ)Ì䤤¹ç¤ï¤»¤é¤ì¤ë¤«¥Á¥§¥Ã...
¼«Ê¬¤Î /etc/hosts ¤Ë½ñ¤¤¤¿¾ðÊó¤ò¼«Ê¬¤Ç°ú¤±¤ë¤Î¤Ï DNS ¥µ¡¼...
¤½¤³¤Ç¡¤dnsmasq ¤¬ LAN Æâ¤Î DNS ¥µ¡¼¥Ð¤È¤·¤ÆÆ°¤¯¥¤¥á¡¼¥¸...
Î㤨¤Ð¡¤q05 ''°Ê³°'' ¤ò»È¤Ã¤Æ¤¤¤ë¿Í¤¬ q05 ¤ò DNS ¥µ¡¼¥Ð¤È...
dig @q05 sub03-q05
¤È¤·¤Æ¤ß¤ì¤Ð¤è¤¤¡¥
ÊÖÅú¤Î ANSWER SECTION ¤ËÀµ¤·¤¤Åú¤¨¤¬Ê֤äƤ¤Æ¤¤¤ì¤Ð¡¤q05...
&br;
* ¥ì¥Ý¡¼¥È [#ofa42568]
ÅÓÃæ¤Ç¡ÖÄ´¤Ù¤è¡×Åù¤È»Ø¼¨¤µ¤ì¤¿»ö¹à¤Ë¤Ä¤¤¤ÆÄ´ºº¤ò¹Ô¤¤¡¤Êó...
¤â¤Á¤í¤ó³Æ¼«¤Î
+ ½ê°(³ØÉô¡¤³Ø²Ê)
+ ³ØÀÒÈÖ¹æ
+ ³Øǯ
+ »á̾
+ Æü»þ
+ ´Î¿´¤Î¥ì¥Ý¡¼¥ÈÆâÍÆ(ÆÀ¤¿Ãθ«¡¤ºî¶È¤Ë¤Ä¤¤¤Æµ¤¤Å¤¤¤¿¤³¤ÈÅù)
¤ò½ñ¤¯¤Î¤ò˺¤ì¤Ê¤¤¤è¤¦¤Ë.
* about Icons, ClipArts [#r00c46e7]
Some icons in this page are downloadable at [[ICONFINDER:...
The "note" icon &ref(/materials/notes.png); designed by [...
the "warning" icon &ref(/materials/warning.png); designed...
and the "triangle" icon &ref(/materials/JNorth_arrow-righ...
Some clip arts used in this page are downloadable at [[Op...
We deeply appreciate their superb works. With licence, th...
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