动态域名服务dynamic-dns.doc

rootlocalhost # yum -y install dhcp* bind*rootlocalhost # service named restartrootlocalhost # chkconfig named onrootlocalhost # service dhcpd restartrootlocalhost # chkconfig named onrootlocalhost # vim /etc/named.conf10 options 11 listen-on port 53 any; ; 12 listen-on-v6 port 53 any; ; 13 directory /var/named; 14 dump-file /var/named/data/cache_dump.db; 15 statistics-file /var/named/data/named_stats.txt; 16 memstatistics-file /var/named/data/named_mem_stats.txt; 17 allow-query any; ; 18 recursion yes; 19 20 dnssec-enable yes; 21 dnssec-validation yes; 22 dnssec-lookaside auto; 23 24 /* Path to ISC DLV key */ 25 bindkeys-file /etc/named.iscdlv.key; 26 27 managed-keys-directory /var/named/dynamic; 28 ;29 30 logging 31 channel default_debug 32 file data/named.run; 33 severity dynamic; 34 ; 35 ; 36 37 controls 38 inet port 953 39 allow localhost; keys rndc-key; 40 ; 41 42 43 zone IN 44 type master; 45 file .zone; 46 allow-update key rndc-key; 47 ; 48 49 zone 137.168.192. IN 50 type master; 51 file .rev; 52 allow-update key rndc-key; 53 ; 54 55 zone . IN 56 type hint; 57 file named.ca; 58 ; 59 60 include /etc/named.rfc1912.zones; 61 include /etc/named.root.key; 62 include /etc/rndc.key;rootlocalhost # dnssec-keygen -a hmac-md5 -b 512 -n HOST ddns-keyrootlocalhost # cd /var/namedrootlocalhost named# cp named.localhost .zonerootlocalhost named# cp named.localhost .revrootlocalhost named# vim /var/named/.zone$TTL 86400 IN SOA dns root ( 1 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS dnsdns A 3rootlocalhost named# vim /var/named/.rev$TTL 86400 IN SOA dns root ( 1 ; serial 1D ; refresh 1H ; retry 1W ; expire 3H ) ; minimum NS dns73 IN PTR dnsdns A 3rootlocalhost named# chmod g+w /var/named/.revrootlocalhost named# chmod g+w /var/named/.zonerootlocalhost named# chmod g+w /var/named/rootlocalhost named# service named restartStopping named: OK Starting named: OK rootlocalhost named# cp /usr/share/doc/dhcp-4.1.1/dhcpd.conf.sample /etc/dhcp/dhcpd.confrootlocalhost named# vim /etc/dhcp/dhcpd.conf7 option domain-name ; 8 option domain-name-servers 3; 9 10 default-lease-time 604800; 11 max-lease-time 864000; 12 13 ddns-update-style interim; 14 ddns-domainname ; 15 ignore client-updates; 16 include /etc/rndc.key; 17 18 19 zone . 20 primary 3; 21 key rndc-key; 22 23 24 zone 137.168.192.. 25 primary 3; 26 key rndc-key; 27 64 subnet netmask 65 range dynamic-bootp 60 00; 66 option routers ; 67 option broadcast-address 55; 68 rootlocalhost named# chmod o+r /etc/rndc.keyrootlocalhost named# service dhcpd restart在xuegod74上设置网卡dhcp动态获取ipBOOTPROTO=dhcp重启网卡service network restart测试nslookup Server:3Address:3#53Name:Address: 65在xuegod73上查看ls /var/named/chroot named.empty .rev .zonedata named.localhost .rev.jnl .zone-localdynamic named.loopback .zone .zone-networknamed.ca slaves .zone.jnl#.zone.jnl为临时文件15分钟后同步给.zone文件其他客户端重启网络服务，查看dhcpd.leasesDHCP分配信息，发现已经有了set相关字段tail -n 15 /var/lib/dhcpd/dhcpd.leasesserver-duid 000001000001035031T007000014)j301323;lease 65 starts 1 2015/06/22 15:17:55;ends 1 2015/06/29 15:17:55;cltt 1 2015/06/22 15:17:55;binding state active;next binding state free;hardware ethernet 00:0c:29:37:6d:a3;set ddns-rev-name = 92..;set ddns-txt = 001e15c0dc8759236c36687c3185aef359;set ddns-fwd-name = ;client-hostname xuegod74;15分钟后查看.zone和.rev两个文件cat /var/named/.zone$ORIGIN .$TTL 86400; 1 IN SOA. . (2 ; serial86400 ; refresh (1 day)3600 ; retry (1 hour)604800 ; expire (1 week)10800 ; minimum (3 hours)NS.$ORIGIN .dnsA3$TTL 302400; 3 days 12 hoursxuegod74A65TXT001e15c0dc8759236c36687c3185aef359cat /var/named/.rev$ORIGIN .$TTL 86400; 1 IN SOA. . (2 ; serial86400 ; refresh (1 day)3600