·¢ÐÅÈË: albin.bbs@bbs.dlut.edu.cn (°¢ÀÖ±ó), ÐÅÇø: cnlinux
±ê Ìâ: ÓÃLINUX×÷DNS·þÎñÆ÷(ÓÐʵÀý)!
·¢ÐÅÕ¾: ±Ìº£ÇàÌì (Thu Jul 10 14:14:09 1997)
תÐÅÕ¾: Lilac!ustcnews!ustcnews!sjtunews!DUT
³ö ´¦: rose.dlut.edu.cn
Ó ÓÃLinux×ö DNS Server
°æȨÉùÃ÷:
(C)opyright 1996 by Binu He.
×÷Õß:ºÎ±óÎä,´óÁ¬Àí¹¤´óѧ¼ÆËãÖÐÐÄ,1996Äê5ÔÂ
¿É×ÔÓÉÉ¢²¼µ«±ØÐë±£Áô°æȨѶϢ¡£
ÓÃLinux×ö DNS Server
СµÜÕâÖÜÔÚÎÒµÄLinux(Linux 1.3.61, IBM PS 486/66, 16M Ram)ÉÏ×öÁËÒ»¸ö
DNS Primary Server,ÏÖ½«·½·¨PostÉÏÀ´£¬Ï£Íû¶Ô´ó¼ÒÓÐËù°ïÖú£¬Ò²»¶Ó´ó¼Ò
À´ÐÅÖ¸½Ì.
1. Ê×ÏÈӦȷÈÏÄãµÄÉϼ¶ÓòÃû·þÎñÆ÷ÒÑÕýÈ·Ö¸ÏòÄãµÄDNS Server, ÈçÎÒÉèÖõÄ
×ÓÓòΪnet.dlut.edu.cn,ÔòÓ¦ÔÚdlut.edu.cnµÄÓòÃû·þÎñÆ÷ÉÏÓе½Linux
µÄNS¼Ç¼£¬ÒÔÏÂÊÇÔÚdlut.edu.cnÓòÃû·þÎñÆ÷ÏàÓ¦ÎļþÄÚÈÝ£º
--------------------------/etc/named.boot----------------------
directory /etc/namedb
;
primary dlut.edu.cn hosts.db
primary 66.118.202.in-addr.arpa hosts.rev
;
;
primary 0.0.127.in-addr.arpa named.local
secondary net.dlut.edu.cn 202.118.65.1 nethost.db
secondary 65.118.202.in-addr.arpa 202.118.65.1 nethost.rev
;
; load the cache data last
cache . named.ca
-------------------------/etc/namedb/hosts.db-------------------
...
net IN NS gw.net.dlut.edu.cn.
IN A 202.118.66.3
IN A 202.118.65.1
IN NS cedrus.dlut.edu.cn.
¿Éͨ¹ýnslookup È·ÈÏÊÇ·ñÒÑÕýÈ·É趨£¬ÈçÏ£º
/etc/namedb[5]nslookup -q=NS
Default Server: localhost
Address: 127.0.0.1
> net.dlut.edu.cn
Server: localhost
Address: 127.0.0.1
net.dlut.edu.cn nameserver = gw.net.dlut.edu.cn
net.dlut.edu.cn nameserver = cedrus.dlut.edu.cn
net.dlut.edu.cn nameserver = gw.net.dlut.edu.cn
net.dlut.edu.cn nameserver = cedrus.dlut.edu.cn
gw.net.dlut.edu.cn inet address = 202.118.66.3
gw.net.dlut.edu.cn inet address = 202.118.65.1
cedrus.dlut.edu.cn inet address = 202.118.66.6
2¡£±à¼Linux µÄ /etc/named.bootÎļþ£¬ÄÚÈÝÈçÏ£¬ÆäÖÐÒÔÒýºÅ
¿ªÊ¼µÄÄÚÈÝΪעÊÍ£º
directory /etc/namedb £»Ö¸¶¨named³õʼ»¯ÎļþĿ¼£¬
£»×îºÃΪһµ¥¶ÀÎļþϵͳ£¬Èç
; /var/namedb /usr/local/namedb
;cache Ö¸Ïò¶¥¼¶ÓòÃû·þÎñÆ÷Áбí
cache . root.cache
;primary ±íÃ÷ÊÇ×ÓÓònet.dlut.edu.cnºÍ·´ÏòÓò65.118.202.IN-ADDR.ARPA
;µÄÖ÷ÓòÃû·þÎñÆ÷£¬Æä³õʼ»¯Îļþ·Ö±ðΪ/etc/namedb/net.zoneºÍ
;/etc/namedb/nethost.rev
primary net.dlut.edu.cn net.zone
primary 65.118.202.IN-ADDR.ARPA nethosts.rev
;±¾µØ»Ø»·Óò0.0.127.IN-ADDR.ARPAµÄÖ÷ÓòÃû·þÎñÆ÷
primary 0.0.127.IN-ADDR.ARPA named.local
£»×ÓÓòdlut.edu.cnµÄ±¸·ÝÓòÃû·þÎñÆ÷£¬´ÓÓòÃû·þÎñÆ÷202.118.66.6(primary
; server for domain dlut.edu.cn)ºÍ202.118.66.8(secondary server for
; domain dlut.edu.cn)ÉêÇëÏà¹ØÊý¾Ý£¬±¸·ÝÎļþÃûΪdlut.bak
; Èç²»×ö±¸·ÝÓòÃû·þÎñÆ÷ÔòÎÞÐëÏÂÁÐÐÐ
secondary dlut.edu.cn 202.118.66.6 202.118.66.8 dlut.bak
secondary 66.118.202.IN-ADDR.ARPA 202.118.66.6 202.118.66.8 dlut.rev.bak
3.´´½¨Îļþ/etc/namedb/net.zone,¿É´Óbind-4.9.* Èí¼þ°üЯ´øµÄʾÀýÎļþ½øÐÐÐÞ¸Ä
¶ø³É£¬ÎļþÄÚÈÝÈçÏ£º
-----------------------------------------------------------------------
;
; Data file of hostnames in this zone.
;
@ IN SOA gw.net.dlut.edu.cn. hbwork.gingko.dlut.edu.cn. (
960072601 ; Serial
300 ; Refresh - 5 minutes
60 ; Retry - 1 minute
38400 ; Expire - 2 weeks
43200 ) ; Minimum - 12 hours
IN NS gw.net.dlut.edu.cn.
IN NS cedrus.dlut.edu.cn.
; Define localhost
;
localhost IN A 127.0.0.1
gw IN A 202.118.65.1
IN A 202.118.66.3
-----------------------------------------------------------------
ÆäÖÐÔÚSOA (Start of Authority)¼Ç¼ÖеÄgw.net.dlut.edu.cn. Ϊ´ËÎļþ
ËùÔÚÖ÷»úÃû£¨ÇмǣºÍêÕûµÄÖ÷»úÃû×îºóÓ¦ÒÔµã½áÊø£©£¬hbwork.gingko.dlut.edu.cn
Ϊ¹ÜÀíÔ±EmailµØÖ·hbwork@gingko.dlut.edu.cnµÄ±äͨÐÎʽ£¬Òò@ºÅÔÚ´ËÎļþ
Öдú±íµ±Ç°ÊÚȨÓòÃû£¬¼´/etc/named.bootÏàÓ¦¼Ç¼ÖÐÖ¸¶¨µÄÓòÃûnet.dlut.edu.cn
960072601ΪÐòÁкã¬Ã¿¸ü¸ÄÒ»´Î´ËÖµÓ¦Ôö¼Ó£¬±¸·ÝÓòÃû·þÎñÆ÷¸ù¾Ý´ËÖµ¾ö¶¨ÊÇ·ñ
Ó¦´ÓÖ÷ÓòÃû·þÎñÆ÷ÇëÇóеÄÊý¾Ý£»NS¼Ç¼ָ¶¨´ËÓò(net.dlut.edu.cn)µÄÁ½¸öÓòÃû
·þÎñÆ÷£¬ÆäÖÐgw.net.dlut.edu.cn.µÄIPµØÖ·ÔÚÏÂÃæÓÉ A (address)¼Ç¼¸ø³ö£¬
cedrus.dlut.edu.cn. µÄIPµØÖ·ÓÉresolver´Ódlut.edu.cn.ÓòÃû·þÎñÆ÷»ñµÃ¡£
ÔÚÆäºóµÄA¼Ç¼ָÃ÷ÁËÏàÓ¦Ö÷»úµÄIPµØÖ·£¬ÈçÖ÷»úgwÓÐÁ½¸öIPµØÖ·¡£Çë×¢ÒâÖ÷»ú
gwµÄÍêÕûÃû³ÆΪgw.net.dlut.edu.cn. ,ÒòΪ´ËÃû³Æ²»ÊÇÒÔµã½áÊø£¬Òò´ËÆäÖ÷»úÃû
½«×·¼ÓÓòÃûnet.dlut.edu.cn¹¹³ÉÍêÕûµÄÖ÷»úÃû(fully qualified domain names)
µ±È»ÔÚ´ËÎļþÖл¹ÓÐÆäËû¼Ç¼ÀàÐÍ£¬ÈçCNAME MX µÈ£¬¾ßÌåÇë²Î¿¼namedÎĵµ£¬ÒÔÏÂ
½ö¸ø³ö¼òµ¥Ê¾Àý£º
É趨±ðÃû£ºÈçlinux.dlut.edu.cn ΪÖ÷»úgw.net.dlut.edu.cnÖ®±ðÃû£¬Ö÷»ú
gingko.dlut.edu.cnÓбðÃûftp.dlut.edu.cn www.dlut.edu.cn mail.dlut.edu.cn
ÔòÔÚÓòdlut.edu.cnµÄÓòÃû·þÎñÆ÷µÄÊý¾ÝÎļþÖÐʹÓÃÈçϼǼ£º
gingko IN A 202.118.66.8
ftp IN CNAME gingko.dlut.edu.cn.
www IN CNAME gingko.dlut.edu.cn.
mail IN CNAME gingko.dlut.edu.cn.
linux.dlut.edu.cn. IN CNAME gw.net.dlut.edu.cn.
É趨Óʼþ½»»»MX(Mail Exchange)¼Ç¼,ÈçÖ¸¶¨user@net.dlut.edu.cnµÄÓʼþÓÐÖ÷»ú
gw.net.dlut.edu.cn½ÓÊÜ£¬ÏàÓ¦±¸·ÝÓʼþ·þÎñÆ÷Ϊgingko.dlut.edu.cn,¿ÉʹÓÃÈçϼǼ
(µ±È»ÏàÓ¦Ö÷»úµÄsendmail.cfÓ¦×öÊʵ±µ÷Õû):
@ IN SOA gw.net.dlut.edu.cn. hbwork.gingko.dlut.edu.cn. (
960072601 ; Serial
300 ; Refresh - 5 minutes
60 ; Retry - 1 minute
38400 ; Expire - 2 weeks
43200 ) ; Minimum - 12 hours
IN NS gw.net.dlut.edu.cn.
IN NS cedrus.dlut.edu.cn.
IN MX 1 gw.net.dlute.du.cn.
IN MX 10 gingko.dlut.edu.cn.
MXÖ®±äͨÐÎʽ£¬ÈçÔÚ´ËÓòÃû·þÎñÆ÷ÉÏÖ¸¶¨user@net.dlut.edu.cnµÄÓʼþÓÉgw.net.dlut.edu.cn.
½ÓÊÜ£¬Ò²¿ÉʹÓÃÈçÏÂÐÎʽ֮һ£º
(1)
net.dlut.edu.cn. IN A 202.118.65.1
(2)
net.dlut.edcu.cn. IN CNAME gw.net.dlut.edu.cn.
µ«²»½¨ÒéʹÓÃÈçÉÏ·½·¨.
4. ½¨Á¢/etc/namedb/nethosts.revÎļþ£¬±¾ÎļþΪ½øÐз´Ïò²éѯ(ÓÉIP²éÕÒÓòÃû)³õʼ»¯ÎÄþ£¬ÎļþÁб
ÈçÏ£º
;
; Data file for reverse address to hostname.
;
@ IN SOA gw.net.dlut.edu.cn. hbwork.dlut.edu.cn. (
960072601 ; Serial
300 ; Refresh - 5 minutes
60 ; Retry - 1 minute
1209600 ; Expire - 2 weeks
43200 ) ; Minimum - 12 hours
IN NS gw.net.dlut.edu.cn.
;
; %HOSTS_START% - entries added by /etc/namedb/bin/make_hosts
1.65.118.202.in-addr.arpa. IN PTR gw.net.dlut.edu.cn.
; %HOSTS_END%
5.½¨Á¢Îļþ/etc/namedb/named.local,ÄÚÈÝÈçÏ£º
;
; BIND data file for local loopback interface.
;
@ IN SOA gw.net.dlut.edu.cn. hbwork.dlut.edu.cn. (
96072601 ; Serial
3600 ; Refresh
300 ; Retry
3600000 ; Expire
3600 ) ; Minimum
IN NS gw.net.dlut.edu.cn.
1 IN PTR localhost.
¸ü¸Ägw.net.dlut.edu.cn.ΪÄãµÄÖ÷»úÃû£¬hbwork.dlut.edu.cn.ΪÄãµÄ
Email µØÖ·¡£
6.´´½¨Îļþ/etc/namedb/root.cache,Áгö¶¥¼¶ÓòÃû·þÎñÆ÷£¬ÄÚÈÝÈçÏ£º
99999999 NS I.ROOT-SERVERS.NET.
99999999 NS F.ROOT-SERVERS.NET.
99999999 NS G.ROOT-SERVERS.NET.
99999999 NS A.ROOT-SERVERS.NET.
99999999 NS H.ROOT-SERVERS.NET.
99999999 NS B.ROOT-SERVERS.NET.
99999999 NS C.ROOT-SERVERS.NET.
99999999 NS D.ROOT-SERVERS.NET.
99999999 NS E.ROOT-SERVERS.NET.
;; ADDITIONAL RECORDS:
I.ROOT-SERVERS.NET. 99999999 A 192.36.148.17
F.ROOT-SERVERS.NET. 99999999 A 192.5.5.241
G.ROOT-SERVERS.NET. 99999999 A 192.112.36.4
A.ROOT-SERVERS.NET. 99999999 A 198.41.0.4
H.ROOT-SERVERS.NET. 99999999 A 128.63.2.53
B.ROOT-SERVERS.NET. 99999999 A 128.9.0.107
C.ROOT-SERVERS.NET. 99999999 A 192.33.4.12
D.ROOT-SERVERS.NET. 99999999 A 128.8.10.90
E.ROOT-SERVERS.NET. 99999999 A 192.203.230.10
´ËÎļþ²»×öÈκθĶ¯¼È¿ÉʹÓ㬵±È»Ò²¿ÉÓÃʵÓóÌÐòdigÈ¡µÃ×îж¥¼¶
ÓòÃû·þÎñÆ÷ÁÐ±í£¬·½·¨ÈçÏ£º
dig @ns.internic.net . ns
7.ÐÞ¸ÄϵͳÆô¶¯Îļþ /etc/rc.d/rc.inet2,È¥µônamed²¿·ÖµÄ×¢ÊÍ
8.È·ÈÏÎļþ/etc/host.confÎļþhostÐÐÄÚÈÝÈçÏ£º
order hosts,bind
9.´´½¨»ò±à¼Îļþ/etc/resolv.conf,Ö¸ÏòеÄÓòÃû·þÎñÆ÷£¬ÄÚÈÝÈçÏ£º
domain net.dlut.edu.cn
nameserver 202.118.65.1
ÆäÖÐdomainÒ»ÐÐΪÄãµÄÓòÃû£¬nameserverΪÄãµÄÓòÃû·þÎñÆ÷µÄIPµØÖ·¡£
ÈçÔÚÔËÐÐnamed»òϵͳÖØÐÂÆô¶¯ºóÓòÃû²»ºÃÓ㬿ÉÖ´ÐÐ/sbin/netconfig,ÔÚÓòÃû
·þÎñÆ÷ÅäÖò¿·ÖÊäÈëеÄÓòÃû¼°ÓòÃû·þÎñÆ÷IPµØÖ·£¬ÔÙÖØÐÂÆô¶¯»úÆ÷¡£
10. DNS ClientµÄÅäÖÃ
(1) Unix ²Ù×÷ϵͳ
±à¼/etc/resolv.conf,²Î¼û·þÎñÆ÷/etc/resolv.conf
(2) Windows 95
¸ü¸ÄÍøÂçÖÐTCP/IPµÄDNSÉèÖÃ
(3) Novell Lan Workplace
Sun PC-NFS
FTP TCP/IP
¸ü¸ÄÏìÓ¦resolv.cfg Îļþ¼´¿É¡£
ÈçÉÏÊÇСµÜÉèÖÃDNS µÄÒ»µã¾Ñ飬ϣÍûÄܶÔlinuxµÄÍƹãÆÕ¼°×ö³öµãС¹±Ïס£
-------------------------------------------------------
--
¡ù À´Ô´:£®±Ìº£ÇàÌì bbs.dlut.edu.cn£®[FROM: 202.118.66.18]
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