{"id":176,"date":"2011-06-10T14:12:20","date_gmt":"2011-06-10T14:12:20","guid":{"rendered":"38af86134b65d0f10fe33d30dd76442e"},"modified":"2011-06-10T14:12:20","modified_gmt":"2011-06-10T14:12:20","slug":"","status":"publish","type":"post","link":"https:\/\/www.xiaobo.li\/notes\/archives\/176","title":{"rendered":"\u7528BIND\u67b6\u8bbeDDNS Server \u63d0\u4f9bDDNS\u670d\u52a1"},"content":{"rendered":"

1.<\/span>\u524d\u8a00<\/span><\/span> <\/span>
\n<\/span><\/span>\u76ee\u524d\u52a8\u6001<\/span> DNS <\/span>\u4e24\u5927\u4e3b\u6d41<\/span>,<\/span>\u4e00\u4e2a\u662f<\/span> BIND (ISC),<\/span>\u53e6\u4e00\u4e2a\u5c31\u662f\u5957\u63a5<\/span> DB <\/span>\u7684<\/span> DNS <\/span>\u5982<\/span> PowerDNS (<\/span>\u6216<\/span><\/span> mydns)
\n <\/span>\u7b49<\/span>,<\/span>\u4e24\u79cd\u65b9\u5f0f\u5404\u6709\u597d\u574f<\/span>,<\/span>\u4e3b\u8981\u662f\u56e0\u4e3a<\/span> BIND <\/span>\u4f1a\u6709\u4e00\u4e9b\u590d\u6742\u6027<\/span>,<\/span>\u4f46\u6548\u679c\u975e\u5e38\u597d<\/span>,<\/span>\u800c<\/span> PowerDNS <\/span>\u5219\u662f\u5f88\u7b80\u5355<\/span><\/span>,
\n<\/span>\u4f46\u76f8\u5bf9\u7684\u5b83\u4e0d\u80fd\u627f\u53d7\u5927\u91cf\u67e5\u8be2<\/span>,<\/span>\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\u6570\u636e\u5e93\u4e0a\u5148\u5929\u7684\u9650\u5236<\/span>. <\/span>\u672c\u6587\u4e3b\u8981\u4e3a\u4ecb\u7ecd<\/span> BIND <\/span>\u4e4b\u52a8\u6001<\/span><\/span> 
\nDNS <\/span>\u505a\u6cd5<\/span>,<\/span>\u800c\u8fd9\u4e2a\u505a\u6cd5\u4e4b\u6700\u91cd\u8981\u91cd\u70b9\u5219\u5728\u4e8e<\/span>nsupdate <\/span>\u8fd9\u4e2a\u6307\u4ee4\u53ca<\/span><\/span> IXFR (incremental zone transfer 
\nrequest),<\/span>\u662f\u4e0d\u540c\u4e8e\u4f20\u7edf\u7684<\/span> AXFR (full zone transfer),IXFR <\/span>\u5728\u505a<\/span> Zone Transfer (DNS <\/span>\u7684\u540c\u6b65\u673a\u5236<\/span><\/span>)
\n <\/span>\u65f6<\/span>,<\/span>\u4f1a\u4ee5\u5dee\u5f02\u5316\u7684\u90e8\u4efd\u8fdb\u884c\u540c\u6b65<\/span>, <\/span>\u800c<\/span> AXFR <\/span>\u5219\u662f\u4ee5\u6574\u4e2a<\/span> Zone <\/span>\u8fdb\u884c\u540c\u6b65<\/span>.DDNS <\/span>\u4e3b\u8981\u7531<\/span> RFC 2136 <\/span>\u6784\u6210<\/span><\/span>,
\n<\/span>\u5efa\u8bae\u82e5\u60a8\u8981\u5bf9<\/span> DDNS <\/span>\u6709\u4e00\u5b9a\u6df1\u5165\u7684\u4e86\u89e3<\/span>,<\/span>\u53ef\u4ee5\u9605\u8bfb\u8fd9\u7bc7<\/span> RFC <\/span>\u4ee5\u4e86\u89e3\u66f4\u591a\u91cd\u8981\u7684\u4fe1\u606f<\/span><\/span> <\/span>
\n(1034 1035 1995 <\/span><\/span><\/span>\u662f<\/span> 2136 <\/span>\u7684\u57fa\u7840<\/span>) <\/o:p><\/span><\/span><\/p>\n

\u672c\u6587\u9002\u7528\u4e8e\u5bf9<\/span> DNS <\/span>\u5df3\u6709\u4e00\u5b9a\u4e86\u89e3\u7684\u670b\u53cb<\/span>,<\/span>\u82e5\u662f\u4e0d\u751a\u6e05\u695a\u5efa\u8bae\u60a8\u53ef\u5148\u53c2\u8003<\/span> TWNIC <\/span>\u6240\u505a\u7684\u8bb2\u4e49<\/span><\/span>:
\n<\/span>http:\/\/dns-learning.twnic.net.tw\/DNS94\/<\/u><\/span><\/a>  <\/o:p><\/span><\/span><\/p>\n

\u5982\u679c\u4f60\u60f3\u5bf9<\/span> nsupdate + key <\/span>\u7684\u65b9\u6cd5\u6709\u66f4\u6df1\u5165\u7684\u4e86\u89e3\u53ef\u4ee5\u53c2\u8003<\/span><\/span> <\/span>
\nhttp:\/\/www.study-area.org\/tips\/tipsfr1.htm<\/u><\/span><\/a>
\n<\/span><\/span><\/span>\u6216\u53c2\u8003<\/span> isc bind <\/span>\u7684\u6587\u4ef6\u6709\u6700\u8be6\u7ec6\u7684\u89e3\u8bf4<\/span><\/span> <\/span>
\nhttp:\/\/www.isc.org\/sw\/bind\/arm93\/Bv9ARM.pdf<\/u><\/span><\/a>
\n<\/span><\/span><\/span>\u672c\u6587\u4e0d\u8ba8\u8bba<\/span> view <\/span>\u7684\u60c5\u5f62<\/span>,<\/span>\u82e5\u662f<\/span> view <\/span>\u60c5\u5f62\u60a8\u5fc5\u9700\u4ece<\/span> view <\/span>\u7684<\/span> match-client <\/span>\u53bb\u66f4\u65b0\u6216\u662f\u4f7f\u7528\u4e0d\u540c<\/span><\/span> <\/span>
\n<\/span><\/span>\u7684<\/span> key,<\/span>\u6240\u4ee5\u5efa\u8bae\u60a8\u591a\u53c2\u8003<\/span> isb bind <\/span>\u7684\u6587\u4ef6<\/span>,<\/span>\u867d\u7136\u8f9b\u82e6\u4e9b<\/span>,<\/span>\u4f46\u6570\u636e\u7edd\u5bf9\u662f\u6700\u5b98\u65b9\u6700\u6b63\u786e\u7684<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n


\n2. <\/span><\/span>\u5fc5\u8981\u7684\u4fe1\u606f\u53ca\u77e5\u8bc6<\/span><\/span> <\/span>
\n<\/span><\/span>\u672c\u6587\u7684\u8303\u4f8b\u4ee5<\/span> Shell Script <\/span>\u505a\u6210<\/span>,<\/span>\u91cd\u70b9\u5728\u4e8e\u539f\u7406<\/span>,<\/span>\u91c7\u7528\u4ec0\u4e48\u5de5\u5177\u6216\u505a\u6cd5\u5b8c\u5168\u89c6\u60a8\u4e2a\u4eba\u7684\u80fd\u529b<\/span>.<\/span>\u4ee5\u4e0b<\/span><\/span> <\/span>
\n<\/span><\/span>\u5c31\u4e00\u4e9b\u91cd\u70b9\u8fdb\u884c\u8bf4\u660e<\/span>. <\/o:p><\/span><\/span><\/p>\n

2.1 BIND <\/span>\u52a8\u6001\u66f4\u65b0<\/span><\/span> <\/span>
\n<\/span><\/span>\u57fa\u672c\u4e0a\u5728<\/span> BIND8,BIND9 <\/span>\u90fd\u662f\u652f\u6301<\/span> nsupdate <\/span>\u7684<\/span>,<\/span>\u4f46\u8fd9\u91cc\u9762\u8981\u6ce8\u610f\u7684\u662f<\/span> BIND8 <\/span>\u5728<\/span>8.3.X <\/span>\u540e\u624d\u652f\u63f4<\/span><\/span> 
\nIXFR,<\/span>\u800c<\/span> BIND9 <\/span>\u5219\u90fd\u652f\u6301<\/span>,<\/span>\u6240\u4ee5\u82e5\u60a8\u7684<\/span> Server <\/span>\u5728<\/span> 8.3.0 <\/span>\u524d\u7684\u7248\u672c<\/span>,<\/span>\u90a3\u5c31\u4e0d\u5efa\u8bae\u4e86<\/span>,<\/span>\u66f4\u4f55\u51b5\u8fd9\u4e2a\u4ee5<\/span><\/span> <\/span>
\n<\/span><\/span>\u524d\u7684\u7248\u672c\u591a\u591a\u5c11\u5c11\u90fd\u6709\u8bb8\u591a\u5b89\u5168\u6027\u7684\u95ee\u9898<\/span>. <\/o:p><\/span><\/span><\/p>\n

2.1.1 nsupdate: 
\nbind <\/span>\u8981\u5f00<\/span> allow-update <\/span>\u9009\u9879<\/span>,<\/span>\u8ba9\u4f60\u7684\u7a0b\u5e8f\u53ef\u4ee5\u6765\u6267\u884c\u66f4\u65b0\u6307\u4ee4<\/span>,allow-update <\/span>\u9009\u9879\u53ef\u4ee5\u662f<\/span> IP <\/span>\u6216<\/span><\/span> 
\nkey,<\/span>\u800c\u672c\u6587\u4ec5\u5c31<\/span> IP<\/span>\u8fdb\u884c\u4ecb\u7ecd<\/span>,<\/span>\u82e5\u7528<\/span> Key <\/span>\u5bf9\u6709\u4e9b\u670b\u53cb\u6765\u8bf4\u53ef\u80fd\u4f1a\u53d8\u5f97\u7a0d\u590d\u6742\u4e9b\u4e86<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n

# named.conf
\n# <\/span>\u5176\u5b83\u7565<\/span><\/span>
\nzone \"dyndns.twnic.tw\" {
\n type master;
\n file \"dyndns.twnic.tw\";
\n allow-update {127.0.0.1;};    # <\/span><\/span>\u5f00\u653e<\/span> 127.0.0.1 <\/span>\u8fdb\u884c\u52a8\u6001\u66f4\u65b0<\/span><\/span> 
\n allow-transfer { slave_ip;127.0.0.1;};  # slave <\/span>\u4e3b\u673a<\/span>,<\/span>\u53ef\u80fd\u4e00\u90e8\u6216\u591a\u90e8<\/span>,<\/span>\u82e5\u65e0\u8bf7\u5199<\/span><\/span> none
\n};<\/o:p><\/span><\/span><\/p>\n


\n<\/span>\u4ee5\u4e0a\u662f\u5f00\u653e\u8ba9<\/span> 127.0.0.1 <\/span>\u8fdb\u884c\u52a8\u6001\u66f4\u65b0<\/span>,<\/span>\u52a8\u6001\u66f4\u65b0\u6709\u5176\u6307\u4ee4<\/span>,<\/span>\u8be6\u7ec6\u60a8\u53ef\u770b\u770b<\/span><\/span> nsupdate man page 
\n(man nsupdate),<\/span>\u4ee5\u4e0b\u4ec5\u4ee5\u6700\u5e38\u7528\u7684\u8fdb\u884c\u8bf4\u660e<\/span>: <\/o:p><\/span><\/span><\/p>\n

#nsupdate
\n[root@eai1 dyndns]# nsupdate
\n> server 127.0.0.1
\n> zone dyndns.twnic.tw
\n> update delete user1.dyndns.twnic.tw A 211.72.210.249
\n> update add user1.dyndns.twnic.tw A 211.72.210.251
\nttl 'A': not a valid number  # <\/span>\u8fd9\u4e2a\u4f8b\u5b50\u662f\u9519\u8bef\u793a\u8303<\/span>,<\/span>\u52a0\u4e00\u7b14\u8bb0\u5f55\u8981\u6709<\/span> TTL <\/span>\u503c<\/span><\/span>
\n> update add user1.dyndns.twnic.tw 60 A 211.72.210.251
\n> show
\nOutgoing update query:
\n;; ->>HEADER<<- opcode: UPDATE, status: NOERROR, id:      0
\n;; flags: ; ZONE: 0, PREREQ: 0, UPDATE: 0, ADDITIONAL: 0
\n;; UPDATE SECTION:
\nuser1.dyndns.twnic.tw.  0       NONE    A       211.72.210.249
\nuser1.dyndns.twnic.tw.  60      IN      A       211.72.210.251<\/o:p><\/span><\/span><\/p>\n

> send
\n> quit<\/o:p><\/span><\/span><\/p>\n


\nserver  <\/span><\/span>\u6307\u5411\u67d0\u4e00\u53f0<\/span> NameServer <\/span>\u8fdb\u884c<\/span> update <\/span>\u64cd\u4f5c<\/span><\/span>
\nzone    <\/span><\/span>\u4fee\u6539\u67d0\u4e2a<\/span><\/span> zone file
\nupdate delete  <\/span>\u8fdb\u884c<\/span> update <\/span>\u7684<\/span> delete <\/span>\u52a8\u4f5c<\/span>,<\/span>\u8fd9\u4e2a\u6307\u4ee4\u683c\u5f0f\u662f<\/span><\/span> <\/span>
\n        update delete FQDN TYPE RDATA,<\/span><\/span><\/span>\u5982\u679c\u6709\u591a\u7b14\u76f8\u540c\u7684<\/span><\/span> A
\n        <\/span>\u8bb0\u5f55\u6216\u4e0d\u540c\u7684<\/span> MX <\/span>\u8bb0\u5f55\u8981\u5220\u9664\u67d0\u4e00\u7b14\u9700\u5c06<\/span> RDATA <\/span>\u8865\u4e0a<\/span><\/span>,
\n        <\/span>\u82e5\u6ca1\u6709<\/span> RDATA <\/span>\u5219\u8868\u793a\u8fd9\u4e2a<\/span> FQDN <\/span>\u7684\u8fd9\u4e2a<\/span> TYPE <\/span>\u90fd\u8981\u5220\u9664<\/span><\/span>
\n        (TYPE <\/span><\/span>\u5373\u662f<\/span> A,MX,PTR,SOA,NS..<\/span>\u7b49<\/span>,RDATA <\/span>\u5c31\u662f<\/span> TYPE <\/span>\u540e<\/span><\/span>
\n        <\/span><\/span>\u63a5\u7684\u4e1c\u897f<\/span>,<\/span>\u5982<\/span> A <\/span>\u7684<\/span> RDATA <\/span>\u662f<\/span> IP <\/span>\u800c<\/span> MX <\/span>\u7684<\/span> RDATA <\/span>\u662f<\/span> <\/span>\u4f18<\/span><\/span>
\n        <\/span><\/span>\u5148\u6743<\/span><\/span> FQDN)
\nupdate add     <\/span>\u8fdb\u884c\u8bb0\u5f55\u7684\u589e\u52a0<\/span>,<\/span>\u64cd\u4f5c\u5982\u540c<\/span> delete, <\/span>\u4f46\u662f\u4e00\u5b9a\u8981\u6709<\/span><\/span>
\n        TTL <\/span><\/span>\u503c<\/span>,<\/span>\u4e14\u5fc5\u9700\u660e\u786e\u5199\u51fa<\/span><\/span> RDATA
\nshow    <\/span>\u8fd9\u53ea\u662f\u64cd\u4f5c\u540e\u8981\u663e\u793a\u8fdb\u884c\u4e86\u90a3\u4e9b<\/span> update <\/span>\u6307\u4ee4<\/span><\/span>
\nsend    <\/span><\/span>\u8fd9\u4e2a\u4ee3\u8868\u8981\u628a\u6574\u4e2a<\/span> update <\/span>\u6307\u4ee4\u9001\u7ed9<\/span> server,<\/span>\u64cd\u4f5c<\/span><\/span> update
\n        <\/span>\u65f6\u6570\u636e\u4e0d\u662f\u9a6c\u4e0a\u9001\u51fa\u7684<\/span>,<\/span>\u6240\u4ee5<\/span> update <\/span>\u53ef\u4ee5\u5f88\u591a\u884c<\/span>,<\/span>\u6700\u540e<\/span><\/span> <\/span>
\n        nsupdate <\/span><\/span><\/span>\u770b\u5230<\/span> send <\/span>\u65f6<\/span>,<\/span>\u624d\u4f1a\u5c06\u6574\u4e2a\u6240\u6709<\/span> update <\/span>\u9001\u51fa<\/span><\/span>,
\n        <\/span>\u800c<\/span> update <\/span>\u4f7f\u7528<\/span> port 53\/udp <\/span>\u82e5\u9001\u51fa\u7684\u6570\u636e\u91cf<\/span><\/span> (DNS packet)
\n        <\/span>\u5927\u4e8e<\/span> 512 bytes,<\/span>\u5219\u4f1a<\/span> truncate <\/span>\u800c\u6539\u4f7f\u7528<\/span> 53\/tcp,<\/span>\u8fd9\u662f\u60a8<\/span><\/span>
\n        <\/span><\/span>\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9<\/span>,<\/span>\u800c\u53ea\u8981\u60a8\u6709<\/span> send, <\/span>\u5219<\/span> SOA <\/span>\u8bb0\u5f55\u7684<\/span><\/span> serial
\n        <\/span>\u4f1a\u81ea\u52a8\u52a0<\/span>1,<\/span>\u4ee5\u671f\u8ba9<\/span> slave <\/span>\u6765\u8fdb\u884c\u540c\u6b65<\/span>,<\/span>\u6240\u4ee5\u8fc7\u591a\u7684<\/span> send <\/span>\u53ef<\/span><\/span>
\n        <\/span><\/span>\u80fd\u9020\u6210\u8fc7\u591a\u7684<\/span> traffic<\/o:p><\/span><\/span><\/p>\n

2.1.2 zone file <\/span>\u53ca\u65e5\u5fd7\u6587\u4ef6<\/span><\/span> 
\n<\/span>\u5982\u679c\u60a8\u8fdb\u884c\u4e86<\/span> nsupdate <\/span>\u7684\u64cd\u4f5c<\/span>,<\/span>\u5219\u539f\u6765<\/span> directory <\/span>\u6240\u6307\u7684\u76ee\u5f55\u5c06\u4f1a\u4ea7\u751f\u4e00\u4e9b\u65e5\u5fd7\u6587\u4ef6<\/span>,<\/span>\u8fd9\u4e2a\u65e5\u5fd7\u6587\u4ef6\u5373\u4e3a<\/span><\/span> 
\nzone_name.jnl (directory <\/span>\u4e60\u60ef\u4e0a\u90fd\u8bbe\u5728<\/span> \/var\/named , <\/span>\u60a8\u81ea\u5df1\u5fc5\u8981\u6ce8\u610f<\/span> named <\/span>\u7a0b\u5e8f\u8981\u6709\u5199\u5165\u7684\u6743\u9650<\/span><\/span>,
\nchroot <\/span>\u72b6\u51b5\u7b49<\/span>) <\/o:p><\/span><\/span><\/p>\n

# <\/span>\u663e\u793a<\/span> dyndns.twnic.tw zone file <\/span>\u5185\u5bb9<\/span><\/span>
\n[root@eai1 named]# cat \/var\/named\/dyndns.twnic.tw
\n$TTL 86400      ; 1 day
\n@         IN SOA  twnic.net.tw. snw.twnic.net.tw. (
\n                                2006073267 ; serial
\n                                7200       ; refresh (2 hours)
\n                                1800       ; retry (30 minutes)
\n                                2419000    ; expire (3 weeks 6 days 23 hours 56 minutes 40 seconds)
\n                                300        ; minimum (5 minutes)
\n                                )
\n                        NS      ns2.dyndns.twnic.tw.
\n                        NS      eai1.twnic.tw.
\nns2                     A       203.73.24.204
\n; <\/span><\/span>\u5982\u679c\u522b\u4eba\u5728\u67e5\u8be2\u65f6<\/span>,<\/span>\u6211\u4eec\u6709\u8fd9\u4e2a\u8bb0\u5f55\u5219\u54cd\u5e94\u8fd9\u4e2a\u8bb0\u5f55\u7684<\/span> IP,<\/span>\u82e5\u6ca1\u6709\u8fd9\u4e2a\u8bb0\u5f55\u4ee3\u8868<\/span><\/span>
\n; <\/span><\/span>\u8fd9\u4e2a\u7f51\u7ad9\u6ca1\u6709\u4e0a\u7ebf<\/span>,<\/span>\u6240\u4ee5\u6b64\u65f6\u6211\u4eec\u53ef\u4ee5\u5efa\u7acb\u4e00\u7b14<\/span> wildcard <\/span>\u8bb0\u5f55<\/span>,<\/span>\u6307\u5411\u81ea\u5df1\u7684\u8bf4<\/span><\/span>
\n; <\/span><\/span>\u660e\u7f51\u7ad9<\/span>,<\/span>\u4ee5\u4f9b<\/span> user <\/span>\u8bc6\u522b\u8fd9\u4e2a\u7f51\u7ad9\u6ca1\u6709\u4e0a\u7ebf<\/span>,<\/span>\u800c\u8fd9\u7b14<\/span> wildcard <\/span>\u7684\u8bb0\u5f55<\/span> TTL <\/span>\u65f6\u95f4<\/span><\/span>
\n; <\/span><\/span>\u4e0d\u80fd\u592a\u957f<\/span>,<\/span>\u4ee5\u514d\u522b\u7684<\/span> DNS Cache <\/span>\u4e86\u8fd9\u8d44\u6599<\/span><\/span>
\n*                 0    A       211.72.210.251<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u76ee\u5f55\u91cc\u7684\u4e1c\u897f<\/span><\/span>
\n[root@eai1 named]# ls -la \/var\/named\/
\n<\/span><\/span>\u603b\u8ba1<\/span><\/span> 128
\ndrwxr-xr-x    2 named    named        4096  7<\/span>\u6708<\/span><\/span> 27 09:25 .
\ndrwxr-xr-x   20 root     root         4096  3<\/span>\u6708<\/span><\/span> 13 16:50 ..
\n-rw-r--r--    1 named    named         451  7<\/span>\u6708<\/span><\/span> 27 09:25 dyndns.twnic.tw
\n-rw-r--r--    1 named    named      104177  7<\/span>\u6708<\/span><\/span> 27 10:01 dyndns.twnic.tw.jnl
\n-rw-r--r--    1 named    named         195  7<\/span>\u6708<\/span><\/span>  4  2001 localhost.zone
\n-rw-r--r--    1 named    named        2851 10<\/span>\u6708<\/span> 17  2003 named.ca<\/o:p><\/span><\/span><\/p>\n

\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u8fd9\u4e2a<\/span> .jnl <\/span>\u7684\u4ea7\u751f<\/span>,<\/span>\u8fd9\u4e2a<\/span> .jnl <\/span>\u6863\u662f\u4e0d\u80fd\u968f\u4fbf\u5220\u9664<\/span>,<\/span>\u56e0\u4e3a\u5b83\u7b49\u4e8e\u662f<\/span> dyndns.twnic.tw <\/span>\u7684\u8865<\/span><\/span> <\/span>
\n<\/span><\/span>\u5145\u6570\u636e<\/span>,<\/span>\u800c\u8fd9\u4e9b\u8865\u5145\u8d44\u6599\u5728<\/span> DNS reload\/restart <\/span>\u65f6<\/span>, named <\/span>\u8fd8\u4f1a\u5728\u628a\u5b83\u8bfb\u8fdb\u6765<\/span>,<\/span>\u6240\u4ee5\u52a8\u6001\u66f4\u65b0\u540e\u7684\u6570\u636e<\/span><\/span>,
\n<\/span>\u5e76\u4e0d\u4f1a\u968f\u7740<\/span> dns <\/span>\u91cd\u542f\u540e\u800c\u6d88\u5931<\/span>,<\/span>\u5982\u679c\u4f60\u60f3\u8ba9\u73b0\u5728\u6574\u4e2a<\/span> zone <\/span>\u6587\u4ef6\u51fa\u73b0\u6240\u6709\u7684\u8bb0\u5f55<\/span>,<\/span>\u90a3\u53ef\u4ee5<\/span> rndc stop <\/span>\u6765\u505c\u6b62<\/span><\/span> 
\ndns, <\/span>\u6b64\u65f6<\/span> named <\/span>\u4f1a\u628a<\/span> .jnl<\/span>\u6570\u636e\u5199\u5165\u539f\u6765\u7684<\/span> zone file,<\/span>\u4e0d\u8fc7\u8fd9\u79cd\u65b9\u5f0f\u4e00\u822c\u6765\u8bf4\u8f83\u4e0d\u5efa\u8bae<\/span>,<\/span>\u56e0\u4e3a\u6211\u4eec\u7684<\/span><\/span> zone
\n file <\/span>\u53ea\u8981\u5b58\u4e00\u4e2a\u6837\u7248<\/span> (template),<\/span>\u5176\u5b83\u7684\u4e1c\u897f\u90fd\u662f\u4e34\u65f6\u6027\u7684<\/span>. <\/span>\u800c\u82e5\u4f60\u60f3\u77e5\u9053\u73b0\u5728\u6574\u4e2a<\/span> zone <\/span>\u7684\u5185\u5bb9<\/span>,<\/span>\u5728\u53ef<\/span><\/span> <\/span>
\n<\/span><\/span>\u4ee5\u505a<\/span> zone transfer <\/span>\u7684\u4e3b\u673a\u4e0a<\/span>(<\/span>\u5982\u4e0a\u4f8b\u4e3a<\/span> slave_ip<\/span>\u53ca<\/span> 127.0.0.1), <\/span>\u4ee5<\/span> dig <\/span>\u6307\u4ee4\u6765\u6267\u884c<\/span> axfr: <\/o:p><\/span><\/span><\/p>\n

[root@eai1 dyndns]# dig @127.0.0.1 dyndns.twnic.tw axfr<\/o:p><\/span><\/span><\/p>\n

; <<>> DiG 9.3.0 <<>> @127.0.0.1 dyndns.twnic.tw axfr
\n;; global options:  printcmd
\ndyndns.twnic.tw.        86400   IN      SOA     twnic.net.tw. snw.twnic.net.tw. 2006073528 7200 1800 2419000 300
\ndyndns.twnic.tw.        86400   IN      NS      ns2.dyndns.twnic.tw.
\ndyndns.twnic.tw.        86400   IN      NS      eai1.twnic.tw.
\n*.dyndns.twnic.tw.      0      IN      A       211.72.210.251
\nns2.dyndns.twnic.tw.    86400   IN      A       203.73.24.204
\nuser1.dyndns.twnic.tw.  60      IN      A       211.72.210.248
\nuser1.dyndns.twnic.tw.  60      IN      MX      10 user1.dyndns.twnic.tw.
\n# <\/span>\u4ee5\u4e0b\u7565<\/span><\/span>
\n...<\/o:p><\/span><\/span><\/p>\n

2.<\/span>\u8bbe\u5b9a<\/span> NameServer <\/span>\u4ec5\u8fdb\u884c\u5dee\u5f02\u5316\u7684\u540c\u6b65<\/span><\/span> 
\nMaster\/Slave <\/span>\u8981\u8fdb\u884c<\/span> zone file <\/span>\u7684\u540c\u6b65<\/span>,<\/span>\u800c<\/span> ddns server <\/span>\u82e5\u53ea\u6709\u4e00\u90e8\u662f\u53ef\u4ee5\u4e0d\u7528\u8003\u8651\u8fd9\u4e9b\u95ee\u9898\u7684<\/span>,<\/span>\u4f46\u662f\u82e5\u6709\u4e24<\/span><\/span> <\/span>
\n<\/span><\/span>\u90e8\u4ee5\u4e0a\u7684<\/span> DNS Server, <\/span>\u5c31\u9700\u8981\u8003\u8651\u5230\u540c\u6b65\u7684\u8fdb\u884c\u65b9\u5f0f<\/span>,<\/span>\u82e5<\/span> zone file <\/span>\u7684\u603b\u6570\u636e\u91cf\u5c0f<\/span>,<\/span>\u91c7\u7528\u4ec0\u4e48\u540c\u6b65\u65b9\u5f0f\u662f\u65e0\u6240<\/span><\/span> <\/span>
\n<\/span><\/span>\u8c13\u7684<\/span>,<\/span>\u4f46\u82e5\u6570\u636e\u91cf\u591a<\/span>,<\/span>\u6216\u662f\u7ecf\u5e38\u5904\u5728\u53d8\u52a8\u72b6\u51b5<\/span>,<\/span>\u90a3\u5dee\u5f02\u5316\u7684\u540c\u6b65\u5c31\u4f1a\u663e\u5f97\u5f88\u91cd\u8981<\/span>,<\/span>\u56e0\u4e3a\u5b83\u53ef\u4ee5\u8ba9\u6240\u6709\u7684<\/span> DNS <\/span>\u5728\u77ed\u65f6<\/span><\/span> <\/span>
\n<\/span><\/span>\u95f4\u5185\u5168\u90e8\u540c\u6b65\u5b8c\u6210<\/span>,BIND <\/span>\u652f\u6301<\/span> IXFR <\/span>\u540e<\/span>,<\/span>\u5176\u9884\u8bbe\u5373\u662f\u91c7\u7528<\/span> IXFR, <\/span>\u82e5\u6ca1\u6709<\/span> IXFR (update) <\/span>\u65f6<\/span>,<\/span>\u5219\u91c7\u7528<\/span> AXFR,<\/span>\u6240\u4ee5\u4e0d<\/span><\/span> <\/span>
\n<\/span><\/span>\u9700\u8981\u5bf9<\/span> IXFR <\/span>\u8fdb\u884c\u989d\u5916\u8bbe\u5b9a<\/span>,<\/span>\u4f46\u4e3a\u4f7f\u5927\u5bb6\u4e86\u89e3\u5176\u53c2\u6570<\/span>,<\/span>\u672c\u5904\u8fd8\u662f\u4e3e\u4f8b\u6765\u8fdb\u884c\u8bf4\u660e<\/span>,<\/span>\u597d\u8ba9\u5927\u5bb6\u80fd\u591f\u66f4\u4e86\u89e3<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n


\n# master DNS's named.conf
\nkey \"rndc-key\" {
\n        algorithm hmac-md5;
\n        secret \"HpXtFRFdLaRPFjpZokIwusyezyyRNjxhcafCfmktWNyGkDFzHAXlpTZQtVLc\";
\n};<\/o:p><\/span><\/span><\/p>\n

controls {
\n        inet 127.0.0.1 port 953
\n                allow { 127.0.0.1; } keys { \"rndc-key\"; };
\n};<\/o:p><\/span><\/span><\/p>\n

options {
\n        directory \"\/var\/named\";
\n        pid-file \"\/var\/run\/named\/named.pid\";
\n        allow-transfer { none; };
\n        provide-ixfr yes;   # <\/span>\u63d0\u4f9b<\/span> slave <\/span>\u4e3b\u673a\u4ee5<\/span> IXFR <\/span>\u540c\u6b65<\/span><\/span>,default yes
\n        request-ixfr yes;   # slave <\/span>\u4ee5<\/span> IXFR <\/span>\u5411<\/span> master <\/span>\u8fdb\u884c\u540c\u6b65<\/span><\/span>,default yes
\n recursion no;       # <\/span>\u4e0d\u5141\u8bb8\u9012\u5f52\u67e5\u8be2<\/span><\/span>
\n};
\nzone \"0.0.127.in-addr.arpa\" {
\n        type master;
\n        file \"named.local\";
\n};
\nzone \".\" {
\n        type hint;
\n        file \"named.ca\";
\n};
\nzone \"dyndns.twnic.tw\" {
\n        type master;
\n        file \"dyndns.twnic.tw\";
\n        max-journal-size 500k;                      # <\/span><\/span>\u8bbe\u5b9a\u65e5\u5fd7\u6587\u4ef6\u5927\u5c0f<\/span><\/span>
\n        allow-transfer { 203.73.24.204;127.0.0.1;}; # <\/span><\/span>\u53ef\u505a<\/span> ixfr\/axfr <\/span>\u7684\u6765\u6e90<\/span> IP,<\/span>\u5fc5\u9700\u5199\u4e0a<\/span><\/span> slave,
\n                                                    # 127.0.0.1 <\/span>\u662f\u65b9\u4f7f\u6211\u4eec\u81ea\u5df1\u67e5\u770b<\/span> zone file <\/span>\u73b0\u51b5<\/span><\/span>
\n        also-notify {203.73.24.205;211.72.210.251}; # <\/span><\/span>\u989d\u5916\u7684\u540c\u6b65\u4e3b\u673a<\/span>,<\/span>\u8fd9\u53ef\u80fd\u662f<\/span> hot site <\/span>\u5907\u4efd\u4e3b\u673a<\/span><\/span> <\/span>
\n        allow-update { 127.0.0.1;};                 # <\/span><\/span><\/span>\u5141\u8bb8\u52a8\u6001\u66f4\u65b0\u7684\u6765\u6e90<\/span><\/span>
\n};<\/o:p><\/span><\/span><\/p>\n


\n<\/span>\u4e0a\u8ff0\u7684\u4e1c\u897f\u76f8\u4fe1\u53ea\u8981\u5bf9<\/span> BIND DNS <\/span>\u6709\u4e00\u5b9a\u4e86\u89e3\u7684\u670b\u53cb\u5e94\u8be5\u90fd\u662f\u6ca1\u6709\u95ee\u9898\u7684<\/span>,<\/span>\u8f83\u4e0d\u5e38\u51fa\u73b0\u7684\u9879\u76ee\u6211\u90fd\u52a0\u4e0a\u4e86\u7684\u6279\u6ce8\u4ee5\u5229<\/span><\/span> <\/span>
\n<\/span><\/span>\u5927\u5bb6\u4e86\u89e3<\/span>,<\/span>\u800c<\/span> slave <\/span>\u7684\u8bbe\u6cd5\u90fd\u540c\u4e8e<\/span> master, <\/span>\u53ea\u6709\u5728<\/span> zone <\/span>\u7684\u90e8\u4efd\u7a0d\u6709\u4e0d\u540c<\/span>: <\/o:p><\/span><\/span><\/p>\n

# slave DNS's named.conf
\n# <\/span>\u5176\u5b83\u8bbe\u5b9a\u7686\u540c\u4e0a<\/span>,<\/span>\u53ea\u6709<\/span> zone ...<\/span>\u7a0d\u6709\u4e0d\u540c<\/span>,<\/span>\u540c\u4e8e\u4e00\u822c\u7684<\/span> slave zone,<\/span>\u4e0d\u9700\u8981\u518d\u5f00<\/span><\/span> allow-update (default none)
\nzone \"dyndns.twnic.tw\" {
\n        type slave;
\n        masters {211.72.210.249;};
\n        file \"dyndns.twnic.tw\";
\n        allow-transfer { none;};
\n};<\/o:p><\/span><\/span><\/p>\n


\n<\/span>\u6240\u4ee5\u4ece\u4e0a\u8ff0\u6211\u4eec\u53ef\u4ee5\u77e5\u9053<\/span> DDNS for Master\/Slave <\/span>\u60a8\u53ea\u8981\u5bf9<\/span> master <\/span>\u8fdb\u884c<\/span> update,<\/span>\u6bcf\u6b21\u7684<\/span> update <\/span>\u9001\u51fa<\/span><\/span> (send) 
\n<\/span>\u4f1a\u4f7f\u8be5<\/span>zone <\/span>\u7684\u5e8f\u53f7\u52a0\u4e00<\/span>,<\/span>\u53ea\u8981<\/span> zone <\/span>\u6709\u66f4\u65b0<\/span> , dns <\/span>\u4f1a\u9001\u51fa<\/span> notify <\/span>\u8baf\u606f\u7ed9\u6240\u6709\u7684<\/span> NS <\/span>\u4e3b\u673a<\/span>(NS <\/span>\u8bb0\u5f55\u4e0a\u6240\u5217\u7684\u540d\u79f0<\/span><\/span> <\/span>
\n<\/span><\/span>\u670d\u52a1\u5668<\/span>),<\/span>\u53ca\u53ef\u80fd\u7684<\/span> also-notify <\/span>\u5bf9\u8c61<\/span>,<\/span>\u4f7f<\/span> slave <\/span>\u4e3b\u673a\u77e5\u9053\u8981\u8fdb\u884c\u540c\u6b65<\/span>,<\/span>\u540c\u6b65\u65f6\u4f18\u5148\u91c7\u7528<\/span> IXFR,<\/span>\u82e5<\/span> master <\/span>\u4e0d\u652f\u6301<\/span><\/span> 
\nIXFR <\/span>\u5219\u6539\u4f7f\u7528<\/span> AXFR,<\/span>\u4ee5\u8fbe\u5230\u5373\u4f7f\u66f4\u65b0<\/span>,<\/span>\u53ca\u65f6\u540c\u6b65\u7684\u6548\u679c<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n


\n<\/span>\u6b64\u5916<\/span>,<\/span>\u6709\u4e9b\u505a<\/span> DDNS <\/span>\u7684\u516c\u53f8\u53ef\u80fd\u5bf9<\/span> IXFR <\/span>\u4e0d\u4e86\u89e3<\/span>,<\/span>\u800c\u662f\u628a\u6240\u6709\u7684<\/span> zone type <\/span><\/span>\u90fd\u8bbe\u6210\u4e86<\/span> MASTER,<\/span>\u7136\u540e\u5bf9\u8fd9\u4e9b<\/span><\/span> NameServer
\n<\/span>\u8fdb\u884c<\/span> nsupdate , <\/span>\u8fd9\u79cd\u505a\u6cd5\u4e5f\u662f\u53ef\u4ee5\u7684<\/span>,<\/span>\u4e0d\u8fc7\u4e2d\u95f4\u82e5\u6f0f\u4e86\u4e00\u6b65\u6216\u90a3\u4e00\u53f0\u5c11\u505a\u4e86\u4e00\u4ef6\u4e8b<\/span>,<\/span>\u90a3\u4e24\u8fb9\u7684\u8d44\u6599\u5c31\u4f1a\u4e0d\u4e00\u81f4<\/span>,<\/span>\u5bfc\u81f4<\/span><\/span> <\/span>
\n<\/span><\/span>\u53ef\u80fd\u540c\u4e00\u4e2a\u540d\u79f0\u4f1a\u6709\u4e0d\u540c\u7684\u89e3\u6790\u7ed3\u679c<\/span> (<\/span>\u4f8b\u5982<\/span> gnway.net <\/span>\u505a\u6cd5<\/span>)<\/o:p><\/span><\/span><\/p>\n

--------------------------------------------------------------------------------
\n abel <\/span>\u56de\u590d\u4e8e\uff1a<\/span>2006-07-28 14:52:21<\/o:p><\/span><\/span><\/p>\n

3. DDNS <\/span>\u7684\u524d\u7aef\u53ca\u540e\u53f0\u63a7\u5236\u8303\u4f8b<\/span><\/span> 
\n<\/span>\u8bf4\u662f\u8303\u4f8b\u4e3b\u8981\u662f\u8ba9\u5927\u5bb6\u53c2\u8003\u539f\u7406<\/span>,<\/span>\u5e76\u6ca1\u6709\u5fc5\u8981\u4e00\u5b9a\u90fd\u7528\u6211\u7684\u65b9\u5f0f<\/span>,<\/span>\u53ea\u8981\u524d\u9762\u8bb2\u7684\u4e1c\u897f\u60a8\u53ef\u4ee5\u4e86\u89e3<\/span>,<\/span>\u7a0b\u63a7\u7684\u90e8\u4efd<\/span><\/span> <\/span>
\n<\/span><\/span>\u4ec5\u662f\u672b\u8282<\/span>,<\/span>\u4ee5\u4e0b\u4ec5\u5217\u51fa\u6211\u6240\u7528\u7684\u65b9\u5f0f\u4f9b\u5927\u5bb6\u53c2\u8003<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n

3.1 MYSQL table
\n<\/span>\u4e3b\u8981\u7531\u4e09\u4e2a\u8868\u6784\u6210<\/span>,<\/span>\u5206\u522b\u4e3a<\/span> RR (Resource Record), RR_LOG (<\/span>\u65e7\u8d44\u6599<\/span>,<\/span>\u5efa\u8bae\u60a8\u4f9d\u72b6\u51b5\u9002\u5f53\u4fdd\u5b58<\/span>),USER (user <\/span>\u8ba4\u8bc1<\/span>) <\/o:p><\/span><\/span><\/p>\n

CREATE TABLE RR (
\n  SN int(20) NOT NULL auto_increment,
\n  USERNAME varchar(64) NOT NULL default '',
\n  FQDN varchar(64) NOT NULL default '',
\n  TTL int(5) NOT NULL default '60',
\n  TYPE varchar(10) NOT NULL default '',
\n  RDATA varchar(64) NOT NULL default '',
\n  CREATE_TIME timestamp(14) NOT NULL,
\n  PRIMARY KEY  (SN),
\n  KEY USERNAME (USERNAME),
\n  KEY FQDN (FQDN),
\n  KEY TTL (TTL),
\n  KEY TYPE (TYPE),
\n  KEY CREATE_TIME (CREATE_TIME)
\n) TYPE=MyISAM;<\/o:p><\/span><\/span><\/p>\n

--
\n-- Table structure for table 'RR_LOG'
\n--<\/o:p><\/span><\/span><\/p>\n

CREATE TABLE RR_LOG (
\n  SN int(20) NOT NULL default '0',
\n  USERNAME varchar(64) NOT NULL default '',
\n  FQDN varchar(64) NOT NULL default '',
\n  TTL int(5) NOT NULL default '60',
\n  TYPE varchar(10) NOT NULL default '',
\n  RDATA varchar(64) NOT NULL default '',
\n  CREATE_TIME varchar(14) default NULL,
\n  PRIMARY KEY  (SN),
\n  KEY USERNAME (USERNAME),
\n  KEY FQDN (FQDN),
\n  KEY CREATE_TIME (CREATE_TIME)
\n) TYPE=MyISAM;<\/o:p><\/span><\/span><\/p>\n

--
\n-- Table structure for table 'USER'
\n--<\/o:p><\/span><\/span><\/p>\n

CREATE TABLE USER (
\n  SN int(20) NOT NULL auto_increment,
\n  USERNAME varchar(64) NOT NULL default '',
\n  PASSWD varchar(64) NOT NULL default '',
\n  EMAIL varchar(64) NOT NULL default '',
\n  MEMO varchar(255) NOT NULL default '',
\n  PRIMARY KEY  (SN),
\n  UNIQUE KEY USERNAME (USERNAME)
\n) TYPE=MyISAM;<\/o:p><\/span><\/span><\/p>\n


\n3.2 dyndns.cfg <\/span><\/span>\u8bbe\u5b9a\u6863<\/span><\/span> 
\n<\/span>\u8fd9\u4e2a\u8bbe\u5b9a\u6587\u4ef6\u4e3b\u8981\u4e3a\u4e86\u7ed9<\/span> CGI <\/span>\u7a0b\u5e8f\u53ca\u4ea7\u751f<\/span> nsupdate <\/span>\u7684\u7a0b\u5e8f<\/span> (dyndns-cron.sh) <\/span>\u6240\u4f7f\u7528<\/span>,<\/span>\u900f\u8fc7<\/span> eval <\/span>\u65b9\u5f0f\u6765\u6267\u884c<\/span><\/span>,
\n<\/span>\u4ee5\u53d6\u5f97\u5171\u540c\u7684\u53d8\u91cf<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n

# mysql host\/db\/user\/password
\nDBHOST=localhost
\nDBNAME=dyndns
\nDBUSER=UserName
\nDBPASS=Your_Passwd
\nMYSQL=\"mysql $DBNAME -h $DBHOST -u $DBUSER -p$DBPASS\"<\/o:p><\/span><\/span><\/p>\n

# dyndns domain
\nDOMAIN=dyndns.twnic.tw<\/o:p><\/span><\/span><\/p>\n

# Master IP
\nDYNDNS_MASTER=127.0.0.1<\/o:p><\/span><\/span><\/p>\n

# nsupdate command file
\nCMD_FILE=\/tmp\/nsupdate.cmd<\/o:p><\/span><\/span><\/p>\n

# update freqency
\nUPD_FREQ=15<\/o:p><\/span><\/span><\/p>\n

# RR valid time (seconds),default 20 mins
\nRR_ALIVE=1200<\/o:p><\/span><\/span><\/p>\n


\n3.3 dyndns.cgi CGI <\/span><\/span>\u7a0b\u5e8f<\/span><\/span> 
\n<\/span>\u8fd9\u4e2a<\/span> CGI <\/span><\/span>\u4e3b\u8981\u7528\u4e8e\u63a5\u6536<\/span> USER <\/span>\u7aef\u6765\u7684\u4fe1\u606f<\/span>,<\/span>\u9a8c\u8bc1\u901a\u8fc7\u540e\u5373\u4e3a\u628a<\/span> USERNAME.DOMAIN <\/span>\u6570\u636e<\/span>,A\/MX <\/span>\u53ca\u5bf9\u5e94<\/span> IP <\/span>\u5b58\u5165<\/span><\/span> <\/span>
\n Table RR <\/span><\/span><\/span>\u4e2d<\/span>,<\/span>\u6b64\u5916\u8fd9\u4e2a<\/span> CGI <\/span>\u4ee5<\/span> shell script <\/span>\u505a\u6210<\/span>,<\/span>\u53ef\u4ee5\u4e8e\u591a\u6570\u4eba\u7684\u73af\u5883\u6267\u884c<\/span> (chmod 755 <\/span>\u53ca\u76ee\u5f55\u7684<\/span> CGI <\/span>\u6267<\/span><\/span> <\/span>
\n<\/span><\/span>\u884c\u6743\u9650<\/span> ExecCGI <\/span>\u83ab\u5fd8<\/span>) <\/o:p><\/span><\/span><\/p>\n

#!\/bin\/sh
\necho -ne \"Content-Type: text\/html\\n\\n\"<\/o:p><\/span><\/span><\/p>\n

if [ -n \"$QUERY_STRING\" ];then
\n# <\/span>\u53d6\u5f97<\/span> QUERY_STRING,<\/span>\u4ee5\u4e0b\u8fd9\u4e2a\u4f5c\u6cd5\u662f\u5371\u9669\u7684<\/span>,<\/span>\u56e0\u4e3a\u6ca1\u6709\u68c0\u67e5\u6570\u636e\u7684\u6b63\u786e\u6027\u5c31<\/span><\/span> eval
\n# <\/span>\u6211\u7684\u7528\u610f\u53ea\u5728\u4e8e\u8bf4\u660e\u4f5c\u6cd5<\/span><\/span>
\n        eval `echo \"$QUERY_STRING\" | sed \"s\/&\/;\/g\"`
\n# <\/span><\/span>\u8bfb\u53d6\u8bbe\u5b9a\u6587\u4ef6<\/span>,<\/span>\u8fd9\u4e2a\u8def\u5f84\u60a8\u9700\u8981\u81ea\u884c\u8c03\u6574<\/span><\/span>
\n        eval `cat \/home\/abelyang\/dyndns\/dyndns.cfg `
\n        sql0=\"select 1 from USER where USERNAME='$LOGIN' and PASSWD='$PASSWD'\"
\n        res=`echo $sql0 | $MYSQL `
\n# <\/span><\/span>\u5982\u679c<\/span> USER <\/span>\u5bc6\u7801\u6b63\u786e<\/span>, ${#res} <\/span>\u5e94\u4e3a<\/span>2,<\/span>\u4e0d\u5bf9\u5219\u4e3a<\/span><\/span> 0
\n        if [ ${#res} -lt 1 ];then
\n                echo \"Login Failure\"
\n        else
\n# <\/span>\u53d6\u5f97<\/span> IP, <\/span>\u9700\u5224\u65ad\u6709<\/span> Proxy <\/span>\u5b58\u5728<\/span>,<\/span>\u4f46\u662f\u4e0d\u8003\u8651<\/span> Proxy <\/span>\u540e\u662f<\/span> NAT <\/span>\u60c5\u5f62<\/span><\/span>
\n                IP=${HTTP_X_FORWARDED_FOR:-$REMOTE_ADDR}
\n                FQDN=\"$LOGIN.$DOMAIN\"
\n# <\/span><\/span>\u5220\u9664\u4e0a\u4e00\u6b21\u7684\u767b\u5165<\/span><\/span>
\n                sql1=\"delete from RR where USERNAME='$LOGIN'\"
\n# <\/span><\/span>\u9884\u8bbe\u7684\u52a8\u6001\u66f4\u65b0\u9879\u76ee\u4e3a<\/span><\/span> A\/MX
\n                sql2=\"insert into RR(USERNAME,FQDN,TYPE,RDATA) values('$LOGIN','$FQDN','A','$IP')\"
\n                sql3=\"insert into RR(USERNAME,FQDN,TYPE,RDATA) values('$LOGIN','$FQDN','MX','10 $FQDN')\"
\n                echo $sql1 | $MYSQL
\n                echo $sql2 | $MYSQL
\n                echo $sql3 | $MYSQL
\n                echo $LOGIN login success @$IP
\n        fi
\nelse
\n# <\/span>\u4ee5\u4e0b\u53ea\u662f\u7f51\u9875\u7684\u90e8\u4efd<\/span>,<\/span>\u6211\u6ca1\u6709\u505a<\/span> DDNS <\/span>\u7533\u8bf7<\/span>,<\/span>\u8fd9\u4e2a\u90e8\u4efd\u6211\u60f3\u53ea\u8981\u61c2\u7f51\u9875\u7684\u670b\u53cb\u5e94\u8be5\u90fd\u4f1a\u624d\u662f<\/span><\/span>
\n        cat <<EOF
\n<html>
\n<head>
\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=big5\" \/>
\n<link rel=\"stylesheet\" href=\".\/style1.css\">
\n<\/head>
\n<body>
\n<BR><BR><center>
\n<form>
\n<h3>Abel Dyndns Demo <\/h3>
\nLogin:<input type=text name=LOGIN ><BR>
\nPasswd:<input type=password name=PASSWD><BR>
\n<input type=submit values=\"Start DynDNS\">
\n<\/form>
\n<BR><\/center>
\n<\/body>
\n<\/html><\/o:p><\/span><\/span><\/p>\n

EOF<\/o:p><\/span><\/span><\/p>\n


\nfi<\/o:p><\/span><\/span><\/p>\n

3.4 dyndns-cron.sh <\/span>\u5b9a\u65f6\u4ea7\u751f<\/span><\/span> nsupdate 
\n<\/span>\u8fd9\u53ea\u7a0b\u5e8f\u4e3b\u8981\u8fdb\u884c\u8bfb\u53d6<\/span> Table RR , <\/span>\u5e76\u4ea7\u751f<\/span> nsupdate <\/span>\u6240\u9700\u8981\u7684\u6307\u4ee4\u683c\u5f0f\u540e\u6267\u884c<\/span> nsupdate, <\/span>\u7a0b\u5e8f\u9884\u8bbe<\/span><\/span> <\/span>
\n<\/span><\/span>\u6bcf<\/span>15<\/span>\u79d2\u6267\u884c\u4e00\u6b21<\/span>(<\/span>\u53c2\u6570\u5982\u4e0a<\/span> dyndns.cfg <\/span>\u4e2d\u7684<\/span> UPD_FREQ <\/span>\u66f4\u65b0\u9891\u7387<\/span>),<\/span>\u60a8\u53ef\u4ee5\u62ff\u6389<\/span> while [ 1 ] <\/span>\u7684\u5faa\u73af<\/span><\/span>,
\n<\/span>\u6539\u7528<\/span> crontab <\/span>\u65b9\u5f0f\u6765\u8dd1<\/span>,<\/span>\u4e0d\u8fc7\u8fd9\u6837\u5c31\u8f83\u4e0d\u5bb9\u6613\u63a7\u5236\u4e00\u5206\u949f\u4ee5\u5185\u7684\u66f4\u65b0\u9891\u7387\u4e86<\/span>,<\/span>\u6700\u540e<\/span>,<\/span>\u8fd9\u4e2a\u7a0b\u5e8f\u4f1a\u628a<\/span><\/span> SOA 
\n<\/span>\u7684\u5e8f\u53f7\u6539\u6210\u66f4\u65b0\u65f6\u95f4<\/span>,<\/span>\u8fd9\u4e2a\u65f6\u95f4\u662f<\/span> UTC <\/span>\u7684\u79d2\u6570<\/span>(<\/span>\u610f\u5373<\/span> 1970\/1\/1 <\/span>\u81f3\u4eca\u79d2\u6570<\/span>, date +%s <\/span>\u53ef\u5f97<\/span>),<\/span>\u7531<\/span> SOA <\/span>\u7684<\/span><\/span> <\/span>
\n<\/span><\/span>\u5e8f\u53f7\u5c31\u53ef\u4ee5\u77e5\u9053\u6700\u540e\u7684<\/span> update <\/span>\u65f6\u95f4<\/span>,<\/span>\u8fd9\u4e2a\u539f\u7406\u548c<\/span> .com <\/span>\u7684<\/span>verisign <\/span>\u6216\u662f<\/span> dyndns <\/span>\u4e2d\u7684<\/span><\/span> dyndns.org\/
\nnoip.com <\/span>\u662f\u76f8\u540c\u7684<\/span>. <\/o:p><\/span><\/span><\/p>\n

\u53e6\u5916<\/span>,<\/span>\u6839\u636e<\/span> RR_VALID <\/span>\u53c2\u6570<\/span>,<\/span>\u82e5<\/span> USER <\/span>\u7684\u767b\u5f55\u65f6\u95f4<\/span> <\/span>\u5c0f\u4e8e<\/span> <\/span>\u73b0\u5728\u65f6\u95f4<\/span>-RR_VALID (<\/span>\u79d2\u6570<\/span>),<\/span>\u5219\u8be5<\/span> Record <\/span>\u89c6\u540c<\/span><\/span> <\/span>
\n<\/span><\/span>\u79bb\u7ebf<\/span>,<\/span>\u6240\u4ee5\u6211\u4eec\u9700\u8981\u8fdb\u884c<\/span> delete <\/span>\u52a8\u4f5c<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n


\n#!\/bin\/sh<\/o:p><\/span><\/span><\/p>\n

while [ 1 ]
\ndo
\n# <\/span>\u60a8\u5fc5\u9700\u8c03\u6574\u8def\u5f84<\/span>,<\/span>\u653e\u5728<\/span> while loop <\/span>\u91cc\u662f\u8981\u8ba9\u4fee\u6539\u4e86\u8bbe\u5b9a\u6863\u5373\u53ef\u751f\u6548<\/span>,<\/span>\u82e5\u4e0d\u8981\u53ef\u653e\u5728<\/span> while <\/span>\u4e4b\u5916<\/span><\/span>
\n        eval `cat \/home\/abelyang\/dyndns\/dyndns.cfg`
\n        cat <<EOF > $CMD_FILE
\nserver $DYNDNS_MASTER
\nzone $DOMAIN
\nEOF<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u53d6\u5f97\u6700\u540e\u4e00\u6b21\u7684\u66f4\u65b0\u65f6\u95f4<\/span>, <\/span>\u591a\u51cf\u4e00\u79d2\u662f\u4e3a\u4e86\u9884\u9632\u7a0b\u5e8f\u7684<\/span><\/span> delay
\n        last=`date -d \"-$UPD_FREQ seconds -3 seconds\" \"+%Y%m%d%H%M%S\"`
\n        now=`date \"+%Y%m%d%H%M%S\"`<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u53d6\u5f97\u8fd9\u6bb5\u65f6\u95f4\u5185\u6709\u4e0a\u6765\u66f4\u65b0\u7684<\/span> USER,<\/span>\u8fd9\u4e2a\u90e8\u4efd\u4e0d\u68c0\u67e5<\/span> IP <\/span>\u4e0d\u53d8\u52a8\u60c5\u5f62<\/span><\/span>
\n# <\/span><\/span>\u4e3b\u8981\u56e0\u4e3a<\/span> nsupdate <\/span>\u5df3\u6267\u884c\u5f88\u5feb<\/span>,<\/span>\u800c\u4e14<\/span> named <\/span>\u5b83\u81ea\u5df1\u4f1a\u68c0\u67e5\u91cd\u590d\u66f4\u65b0\u7684\u4e1c\u897f<\/span><\/span>
\n        echo \"select FQDN,TTL,TYPE,RDATA from RR where CREATE_TIME between $last and $now\" | $MYSQL| grep -v 'RDATA' | while read FQDN TTL TYPE RDATA RDATA2
\n        do<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u7ec4\u51fa\u66f4\u65b0\u6307\u4ee4<\/span>,<\/span>\u4e3b\u8981\u4e3a\u4e00\u4e2a\u5220\u9664<\/span>,<\/span>\u4e00\u4e2a\u589e\u52a0<\/span><\/span>
\n                echo \"update delete $FQDN $TYPE $RDATA $RDATA2\" >>$CMD_FILE
\n                echo \"update add $FQDN $TTL $TYPE $RDATA $RDATA2\" >>$CMD_FILE
\n        done<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u8d85\u8fc7<\/span> RR_ALIVE (20<\/span>\u5206\u949f<\/span>) <\/span>\u672a\u6709<\/span> login <\/span>\u6570\u636e\u5219\u6e05\u9664<\/span> DNS <\/span>\u8bb0\u5f55<\/span><\/span>
\n        last=`date -d \"-$RR_ALIVE seconds\" \"+%Y%m%d%H%M%S\"`
\n# <\/span><\/span>\u5907\u4efd\u65e7\u7684\u6570\u636e<\/span>,<\/span>\u5e76\u6e05\u9664\u8fc7\u65f6\u6570\u636e<\/span> (<\/span>\u770b\u4f60\u81ea\u5df1\u8981\u4e0d\u8981\u5907\u4efd\u4e86<\/span><\/span>)
\n#       echo \"insert into RR_LOG select * from RR where CREATE_TIME<$last\"|$MYSQL
\n#       echo \"delete from RR where CREATE_TIME < $last\" |$MYSQL<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u53d6\u5f97\u8fc7\u671f<\/span> (RR_ALIVE) <\/span>\u800c\u672a\u767b\u5f55\u7684\u5217\u8868\u8fdb\u884c\u5220\u9664\u52a8\u4f5c<\/span>,<\/span>\u56e0\u4e3a\u6211\u4eec\u7528\u4e86<\/span> wildcard (*),<\/span>\u6240\u4ee5\u82e5\u522b\u4eba\u8fde\u65f6<\/span><\/span>
\n# <\/span><\/span>\u5c06\u4f1a\u88ab\u6307\u5230<\/span> wildcard <\/span>\u6240\u6307\u7684<\/span> IP <\/span>\u4e0a<\/span>,<\/span>\u800c\u60a8\u53ef\u8fd9\u4e2a<\/span> Web Server <\/span>\u4e0a\u505a\u4e00\u4e9b\u6587\u7ae0<\/span>,<\/span>\u4f8b\u5982<\/span> Offline <\/span>\u8bf4\u660e\u7b49<\/span><\/span>
\n        echo \"select USERNAME,FQDN,TYPE,RDATA from RR  where CREATE_TIME - $last < 0 order by USERNAME\" | $MYSQL | grep -v 'USERNAME' | while read USERNAME FQDN TYPE RDATA RDATA2
\n        do
\n                echo \"; delete $FQDN $TYPE $RDATA $RDATA2\" >>$CMD_FILE
\n                echo \"update delete $FQDN $TYPE $RDATA $RDATA2\" >>$CMD_FILE
\n        done<\/o:p><\/span><\/span><\/p>\n

# <\/span>\u81ea\u5b9a\u66f4\u65b0<\/span> SOA, <\/span>\u4e3b\u8981\u662f\u4e3a\u4e86\u8ba9\u5e8f\u53f7\u5b57\u6bb5\u4e3a\u73b0\u5728\u65f6\u95f4<\/span><\/span> (UTC)
\n        echo \"update delete $DOMAIN SOA\" >>$CMD_FILE
\n        echo \"update add $DOMAIN 600 SOA ns1.dyndns.twnic.tw abelyang.eai1.twnic.tw $(date +%s) 900 60 604800 60\" >>$CMD_FILE
\n        echo \"send\" >>$CMD_FILE
\n# <\/span>\u6267\u884c<\/span> nsupdate <\/span>\u6307\u4ee4<\/span><\/span>
\n        nsupdate $CMD_FILE
\n#       echo \"process ok\"
\n        sleep $UPD_FREQ
\ndone<\/o:p><\/span><\/span><\/p>\n

3.5 <\/span>\u767b\u5165\u53ca\u66f4\u65b0\u65b9\u6cd5<\/span><\/span> <\/span>
\n<\/span><\/span>\u6240\u6709\u7684\u4e1c\u897f\u90fd\u51c6\u5907\u597d\u4e86\u540e<\/span>,<\/span>\u6211\u4eec\u5c31\u53ef\u4ee5\u6d4b\u8bd5<\/span>: <\/o:p><\/span><\/span><\/p>\n

wget \"<\/span>http:\/\/eai1.twnic.tw\/dyndns.cgi?LOGIN=abelyang&PASSWD=abelyang-dyndns<\/u><\/span><\/a>\" -O \/tmp\/dyndns-login-status 2>\/dev\/null<\/o:p><\/span><\/span><\/p>\n


\n<\/span>\u5728\u6700\u591a\u7b49\u5f85<\/span>15<\/span>\u79d2<\/span>(<\/span>\u6211\u7684\u9ed8\u8ba4\u503c<\/span>)<\/span>\u7684\u60c5\u51b5\u4e0b<\/span>,<\/span>\u5c31\u53ef\u4ee5\u66f4\u65b0\u5230<\/span> DNS <\/span>\u4e2d\u4e86<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n

3.6 <\/span>\u5176\u5b83\u6570\u636e<\/span><\/span> 
\n<\/span>\u5176\u5b83\u6570\u636e\u5982<\/span> named.conf , dyndns.twnic.tw zone file <\/span>\u60a8\u90fd\u53ef\u4ee5\u5728\u524d\u9762\u7684\u8bf4\u660e\u91cc\u627e\u5230<\/span>,<\/span>\u6211\u4e8e\u4e0b\u9762<\/span><\/span> link
\n<\/span>\u653e\u4e86\u4e00\u4efd\u6240\u6709\u7684\u6570\u636e\u4f9b\u5927\u5bb6\u53c2\u8003<\/span>,<\/span>\u8f83\u4e0d\u7528\u8d39\u4e8b<\/span> copy & paste ,<\/span>\u4f46\u4e0d\u4fdd\u8bc1\u4e0b\u9762<\/span> link <\/span>\u6c38\u8fdc\u6709\u6548<\/span> (<\/span>\u5176\u4e2d\u7684<\/span><\/span> 
\n.tgz <\/span>\u5373\u6709\u6240\u6709\u6863\u6848\u7684<\/span><\/span> tarball)
\n<\/span>http:\/\/eai1.twnic.tw\/example\/<\/u><\/span><\/a> <\/o:p><\/span><\/span><\/p>\n


\n4. DDNS <\/span><\/span>\u518d\u63a2\u8ba8<\/span><\/span> 
\n<\/span>\u5982\u524d\u8a00\u6240\u8a00<\/span>, DDNS <\/span>\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u5e93\u6765\u7528<\/span> (<\/span>\u610f\u5373\u6211\u7684\u8303\u4f8b\u4e2d\u53ef\u4ee5\u5c11\u6389<\/span> dyndns-cron.sh <\/span>\u90a3\u53ea<\/span>),<\/span>\u4e0d\u8fc7\u6570\u636e\u5e93<\/span><\/span> <\/span>
\n<\/span><\/span>\u56e0\u5176\u5148\u5929\u7684\u72b6\u51b5<\/span>,<\/span>\u66f4\u636e\u6211\u7684\u6d4b\u8bd5<\/span>(PowerDNS),<\/span>\u5728<\/span> 5 <\/span>\u4e07\u8d44<\/span> Record <\/span>\u7684\u60c5\u51b5\u4e0b<\/span>,<\/span>\u53ea\u80fd\u5230\u8fbe\u6bcf\u79d2<\/span> 1000 <\/span>\u6b21\u7684\u67e5\u8be2<\/span><\/span>,
\n<\/span>\u800c\u4e14\u6b64\u65f6\u5c1a\u4e0d\u8003\u8651\u540c\u65f6\u6709<\/span> update\/delete\/insert <\/span>\u7b49\u60c5\u5f62<\/span>,<\/span>\u4e3b\u8981\u56e0\u4e3a\u53d7\u9650\u4e8e\u5148\u5929<\/span> DB <\/span>\u7684<\/span> select <\/span>\u901f\u5ea6\u6240\u81f4<\/span><\/span> <\/span>
\n,<\/span><\/span><\/span>\u5f53\u7136\u60a8\u53ef\u4ee5\u900f\u8fc7\u5fae\u8c03\u6216\u7ec6\u90e8\u5904\u7406\u8ba9\u8fd9\u4e2a\u6570\u5b57\u53d8\u6210<\/span>1500 <\/span>\u6216<\/span> 2000, <\/span>\u4f46\u90fd\u6c38\u4e0d\u5982<\/span> BIND <\/span>\u968f\u4fbf\u90fd\u53ef\u4ee5\u900f\u8fc7\u6bcf\u79d2<\/span><\/span> 
\n6000 <\/span>\u6b21\u67e5\u8be2<\/span>,<\/span>\u5f53\u7136\u7528<\/span> DB <\/span>\u76f4\u63a5\u6765\u505a\u4e00\u5b9a\u662f\u53ef\u4ee5\u4e14\u66f4\u7b80\u5355\u7684<\/span>,<\/span>\u4e0d\u8fc7\u5b89\u5168\u6027\u53ca\u6297\u538b\u6027<\/span> PowerDNS <\/span>\u662f\u968f\u65f6\u90fd\u4f1a\u6709<\/span><\/span> <\/span>
\n<\/span><\/span>\u5f53\u6389\u7684\u98ce\u9669<\/span>,<\/span>\u81f3\u4e8e\u7528<\/span> BIND <\/span>\u5012\u662f\u6ca1\u6709\u770b\u8fc7<\/span>,<\/span>\u4e3b\u8981\u662f\u56e0\u4e3a\u8fd9\u79cd<\/span> Server <\/span>\u80af\u5b9a\u662f\u4e0d\u9012\u5f52<\/span>(recursion no). <\/span>\u6240\u4ee5<\/span><\/span> <\/span>
\n<\/span><\/span>\u8457\u540d\u7684<\/span> DDNS <\/span>\u5382\u5546\u90fd\u662f\u7528<\/span> BIND <\/span>\u800c\u4e0d\u7528<\/span> DB <\/span>\u65b9\u5f0f<\/span>,<\/span>\u56e0\u5176\u6297\u538b\u6027\u4e0d\u8db3\u800c\u81f4\u98ce\u9669\u8fc7\u9ad8<\/span>. <\/o:p><\/span><\/span><\/p>\n

\u6b64\u5916<\/span>,<\/span>\u82e5\u6211\u4eec\u770b<\/span> dyndns.org\/noip.com <\/span>\u7684\u505a\u6cd5<\/span>,<\/span>\u53ef\u4ee5\u77e5\u9053\u4ed6\u4eec\u4e5f\u662f\u7528<\/span> BIND <\/span>\u6765\u505a<\/span>,<\/span>\u4f60\u53ef\u4ee5\u67e5\u8be2\u5176<\/span> SOA <\/span>\u7684\u5e8f<\/span><\/span> <\/span>
\n<\/span><\/span>\u53f7\u5373\u53ef\u4ee5\u77e5\u9053\u4ed6\u6bcf<\/span>60<\/span>\u79d2\u66f4\u65b0\u4e00\u6b21<\/span>,<\/span>\u82e5\u662f\u4f7f\u7528<\/span> DB <\/span>\u6765\u505a\u662f\u6ca1\u6709\u5fc5\u8981\u987e\u8651\u5e8f\u53f7\u95ee\u9898\u7684<\/span> (DB <\/span>\u6709<\/span> DB <\/span>\u540c\u6b65\u65b9\u6cd5<\/span>,<\/span>\u7528<\/span><\/span> 
\nSOA <\/span>\u5e8f\u53f7\u65e0\u5173<\/span>),<\/span>\u6b64\u5916\u60a8\u66f4\u53ef\u4ee5\u67e5\u770b<\/span> .com <\/span>\u7684<\/span> Verisign,<\/span>\u4ed6\u4eec\u7684\u505a\u6cd5\u4e5f\u662f\u50cf<\/span> BIND <\/span>\u4e00\u6837<\/span>,<\/span>\u800c\u5176\u4ee5\u6bcf<\/span>15<\/span>\u79d2\u66f4\u65b0<\/span><\/span> <\/span>
\n<\/span><\/span>\u9891\u7387\u5728\u8fdb\u884c<\/span>,<\/span>\u6240\u4ee5\u82e5\u60a8\u4f7f\u7528<\/span> .com <\/span>\u7684\u57df\u540d<\/span>,<\/span>\u53d8\u66f4<\/span>DNS <\/span>\u5927\u6982\u53ea\u8981<\/span>15<\/span>\u79d2\u5c31\u53ef\u4ee5\u540c\u6b65\u5230\u6240\u6709\u7684<\/span><\/span> .com NameServer, 
\n<\/span>\u800c\u4e0d\u662f\u8fc7\u53bb\u7684<\/span>2<\/span>\u5929<\/span> (<\/span>\u56e0\u4e3a\u8fc7\u53bb\u662f<\/span> AXFR,<\/span>\u73b0\u5728\u662f<\/span> IXFR),<\/span>\u867d\u7136<\/span>Verigisn <\/span>\u4ecd\u4e0d\u964d\u4f4e<\/span> NS <\/span>\u8bb0\u5f55\u7684<\/span> TTL <\/span>\u503c<\/span> (<\/span>\u4e8c\u5929<\/span><\/span>),
\n<\/span>\u4f46\u81f3\u5c11\u4e0d\u4f1a\u53d1\u751f\u50cf\u8fc7\u53bb\u6700\u591a\u4f1a<\/span>4<\/span>\u5929<\/span> .com <\/span>\u7684<\/span> DNS <\/span>\u6570\u636e<\/span> Cache <\/span>\u624d\u4f1a\u8fc7\u671f\u7684\u60c5\u51b5<\/span> (<\/span>\u4e8c\u5929\u7684\u66f4\u65b0\u9891\u7387<\/span>+<\/span>\u4e8c\u5929\u7684<\/span><\/span> <\/span>
\n<\/span><\/span>\u5feb\u53d6\u65f6\u95f4<\/span>) <\/o:p><\/span><\/span><\/p>\n


\n# <\/span><\/span>\u68c0\u67e5<\/span> .com <\/span>\u7684<\/span> NameServer (d.gtld-servers.net) SOA <\/span>\u4fe1\u606f\u6765\u9a8c\u8bc1<\/span><\/span>
\n[root@eai1 example]# for i in `seq 1 1000`;do dig +short @d.gtld-servers.net com soa;sleep 1;done
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990708 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990708 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990708 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900 # <\/span><\/span>\u8fd9\u91cc\u53d8\u66f4\u4e86<\/span>, serial <\/span>\u5373\u65f6\u95f4<\/span><\/span>
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990723 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990738 1800 900 604800 900 # <\/span><\/span>\u53d8\u66f4\u5e8f\u53f7<\/span><\/span>
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990738 1800 900 604800 900
\na.gtld-servers.net. nstld.verisign-grs.com. 1153990738 1800 900 604800 900<\/o:p><\/span><\/span><\/p>\n

5. <\/span>\u7ed3\u8bed<\/span><\/span> 
\n<\/span>\u6211\u6240\u5199\u7684<\/span> script <\/span>\u90fd\u662f\u4ee5\u7b80\u5355\u7684\u89d2\u5ea6\u6765\u51fa\u53d1<\/span>,<\/span>\u4ee5\u4f9b\u5927\u5bb6\u53c2\u8003<\/span>,<\/span>\u81f3\u4e8e\u7528\u6237\u53ca\u57df\u540d\u7ba1\u7406\u8fd9\u4e2a\u6709\u5f85\u60f3\u8981\u7528\u7684\u4eba\u81ea\u884c<\/span><\/span> <\/span>
\n<\/span><\/span>\u5f00\u53d1<\/span>,<\/span>\u7528<\/span> shell script <\/span>\u6709\u5229\u4e8e\u591a\u6570\u4eba\u9605\u8bfb\u53ca\u4e86\u89e3\u539f\u7406<\/span>,<\/span>\u7ec6\u8282\u7684\u4e1c\u897f\u552f\u6709\u60a8\u81ea\u5df1\u505a\u4e86\u540e\u624d\u66f4\u80fd\u4f53\u4f1a<\/span><\/span>.
\n<\/span>\u5bf9\u591a\u6570\u7684\u516c\u53f8\u6765\u8bf4\u4f7f\u7528<\/span> DDNS <\/span>\u662f\u6ca1\u6709\u610f\u4e49\u7684<\/span>,<\/span>\u9664\u4e86<\/span> Registy (.com\/cn\/tw\/jp\/hk...),<\/span>\u6216\u662f\u4ee5<\/span> DDNS <\/span>\u505a\u4e3a\u8425<\/span><\/span> <\/span>
\n<\/span><\/span>\u8fd0\u7684\u516c\u53f8<\/span>,<\/span>\u800c<\/span> DDNS<\/span>\u5176\u5b9e\u662f\u4e0d\u96be\u7684<\/span>,<\/span>\u4f46\u662f\u7f51\u7edc\u4e0a\u8f83\u7f3a\u4e4f\u8fd9\u65b9\u9762\u7684\u4ecb\u7ecd\u6587\u7ae0<\/span>,<\/span>\u6240\u4ee5\u5728\u6b64\u4e3a\u5927\u5bb6\u4ecb\u7ecd\u4e00\u4e0b\u8fd9\u4e9b\u4e1c\u897f<\/span><\/span> <\/span>
\n<\/span><\/span>\u7684\u7ec6\u8282<\/span>, <\/span>\u4ee5\u5229\u60f3\u8981\u7814\u7a76\u7684\u670b\u53cb\u80fd\u521d\u7aa5\u95e8\u5f84<\/span>. <\/span>\u6709\u4efb\u4f55\u610f\u89c1\u90fd\u975e\u5e38\u6b22\u8fce\u5927\u5bb6\u591a\u591a\u4ea4\u6d41<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n


\n<\/span>\u6ce8<\/span><\/span>:
\n<\/span>\u6b64\u5916<\/span>,<\/span>\u6709\u4e9b\u505a<\/span> DDNS <\/span>\u7684\u516c\u53f8\u53ef\u80fd\u5bf9<\/span> IXFR <\/span>\u4e0d\u4e86\u89e3<\/span>,<\/span>\u800c\u662f\u628a\u6240\u6709\u7684<\/span> zone type <\/span>\u90fd\u8bbe\u6210\u4e86<\/span> MASTER,<\/span>\u7136\u540e\u5bf9\u8fd9\u4e9b<\/span><\/span> 
\nNameServer<\/span>\u8fdb\u884c<\/span> nsupdate , <\/span>\u8fd9\u79cd\u505a\u6cd5\u4e5f\u662f\u53ef\u4ee5\u7684<\/span>,<\/span>\u4e0d\u8fc7\u4e2d\u95f4\u82e5\u6f0f\u4e86\u4e00\u6b65\u6216\u90a3\u4e00\u53f0\u5c11\u505a\u4e86\u4e00\u4ef6\u4e8b<\/span>,<\/span>\u90a3\u4e24\u8fb9<\/span><\/span> <\/span>
\n<\/span><\/span>\u7684\u6570\u636e\u5c31\u4f1a\u4e0d\u4e00\u81f4<\/span>,<\/span>\u5bfc\u81f4\u53ef\u80fd\u540c\u4e00\u4e2a\u540d\u79f0\u4f1a\u6709\u4e0d\u540c\u7684\u89e3\u6790\u7ed3\u679c<\/span> (<\/span>\u4f8b\u5982<\/span> gnway.net <\/span>\u505a\u6cd5<\/span>,<\/span>\u6211\u731c\u6d4b<\/span>),<\/span>\u800c\u50cf<\/span><\/span> dyndns.org
\n\/noip.com <\/span>\u548c\u82b1\u751f\u58f3<\/span>(vicp.net,oray.net) <\/span>\u7b49\u7684\u505a\u6cd5\u662f\u4e00\u6837\u7684<\/span>(<\/span>\u4e5f\u5c31\u662f\u548c\u672c\u6587\u6240\u63d0\u7684\u505a\u6cd5\u4e00\u6837<\/span>). <\/span>\u800c\u6709\u4e9b<\/span><\/span> <\/span>
\n<\/span><\/span>\u516c\u53f8\u5219\u4f7f\u7528<\/span> PowerDNS\/Mydnl..<\/span>\u7b49\u5957\u63a5<\/span> DB <\/span>\u7684<\/span> DNS ,<\/span>\u867d\u7136\u53ef\u7528<\/span>,<\/span>\u800c\u4e14\u65b9\u5f0f\u66f4\u7b80\u5355<\/span>,<\/span>\u4f46\u662f\u8fd9\u4e9b<\/span> DDNS <\/span>\u670d\u52a1\u80af\u5b9a<\/span><\/span> <\/span>
\n<\/span><\/span>\u65e0\u6cd5\u8d1f\u8377\u5927\u91cf\u7684\u67e5\u8be2<\/span>,<\/span>\u56e0\u4e3a\u6bcf\u6b21\u7684<\/span> dns <\/span>\u67e5\u8be2\u4f1a\u5728\u5176\u5185\u4ea7\u751f<\/span> N <\/span>\u6b21\u7684<\/span> Select <\/span>\u6307\u4ee4<\/span>,<\/span>\u6570\u636e\u5e93\u5904\u7406<\/span> select <\/span>\u7684<\/span><\/span> <\/span>
\n<\/span><\/span>\u901f\u5ea6\u80af\u5b9a\u662f\u6bd4\u4e0d\u4e0a<\/span> dns flooding <\/span>\u7684\u901f\u5ea6<\/span> <\/o:p><\/span><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

1.<\/span>\u524d\u8a00<\/span><\/span>
<\/span><\/span>\u76ee\u524d\u52a8\u6001<\/span> DNS <\/span>\u4e24\u5927\u4e3b\u6d41<\/span>,<\/span>\u4e00\u4e2a\u662f<\/span> BIND (ISC),<\/span>\u53e6\u4e00\u4e2a\u5c31\u662f\u5957\u63a5<\/span> DB <\/span>\u7684<\/span> DNS <\/span>\u5982<\/span> PowerDNS (<\/span>\u6216<\/span><\/span> mydns)
\n <\/span>\u7b49<\/span>,<\/span>\u4e24\u79cd\u65b9\u5f0f\u5404\u6709\u597d\u574f<\/span>,<\/span>\u4e3b\u8981\u662f\u56e0\u4e3a<\/span> BIND <\/span>\u4f1a\u6709\u4e00\u4e9b\u590d\u6742\u6027<\/span>,<\/span>\u4f46\u6548\u679c\u975e\u5e38\u597d<\/span>,<\/span>\u800c<\/span> PowerDNS <\/span>\u5219\u662f\u5f88\u7b80\u5355<\/span><\/span>,
<\/span>\u4f46\u76f8\u5bf9\u7684\u5b83\u4e0d\u80fd\u627f\u53d7\u5927\u91cf\u67e5\u8be2<\/span>,<\/span>\u4e3b\u8981\u539f\u56e0\u5728\u4e8e\u6570\u636e\u5e93\u4e0a\u5148\u5929\u7684\u9650\u5236<\/span>. <\/span>\u672c\u6587\u4e3b\u8981\u4e3a\u4ecb\u7ecd<\/span> BIND <\/span>\u4e4b\u52a8\u6001<\/span><\/span> 
\nDNS <\/span>\u505a\u6cd5<\/span>,<\/span>\u800c\u8fd9\u4e2a\u505a\u6cd5\u4e4b\u6700\u91cd\u8981\u91cd\u70b9\u5219\u5728\u4e8e<\/span>nsupdate <\/span>\u8fd9\u4e2a\u6307\u4ee4\u53ca<\/span><\/span> IXFR (incremental zone transfer 
\nrequest),<\/span>\u662f\u4e0d\u540c\u4e8e\u4f20\u7edf\u7684<\/span> AXFR (full zone t...<\/span><\/span><\/span><\/span><\/p>\n

\u7ee7\u7eed\u9605\u8bfb →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[273],"tags":[5,6],"class_list":["post-176","post","type-post","status-publish","format-standard","hentry","category-article","tag-Bind","tag-dns"],"_links":{"self":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/176","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/comments?post=176"}],"version-history":[{"count":0,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/posts\/176\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/media?parent=176"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/categories?post=176"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xiaobo.li\/notes\/wp-json\/wp\/v2\/tags?post=176"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}