原文地址：http://blog.chinaunix.net/uid-24332402-id-4507222.html
RHEL5.5x64 -- DNS方式配置SCAN以下操作在DNS服务器上进行： 安装bind三个包# rpm -ivh bind-9.3.6-4.P1.el5_4.2.x86_64.rpm# rpm -ivh bind-chroot-9.3.6-4.P1.el5_4.2.x86_64.rpm# rpm -ivh caching-nameserver-9.3.6-4.P1.el5_4.2.x86_64.rpm 配置主区域# cd /var/named/chroot/etc# cp -p named.caching-nameserver.conf named.conf# vi named.conf options { listen-on port 53 { any; }; listen-on-v6 port 53 { ::1; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; allow-query { any; }; allow-query-cache { any; }; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; view localhost_resolver { match-clients { any; }; match-destinations { any; }; recursion yes; include "/etc/named.zones"; }; # cp -p named.rfc1912.zones named.zones # vi named.zones zone "cn.test.com" IN { type master; file "cn.test.com.zone"; allow-update { none; }; }; zone "122.168.192.in-addr.arpa" IN { type master; file "122.168.192.local"; allow-update { none; }; }; # cd /var/named/chroot/var/named# cp -p named.zero cn.test.com.zone# cp -p named.local 122.168.192.local # vi cn.test.com.zone $TTL 86400 @ IN SOA dns.cn.test.com. root.cn.test.com. ( 42 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS dns.cn.test.com. scan IN A 192.168.122.195 scan IN A 192.168.122.196 scan IN A 192.168.122.197 # vi 122.168.192.local $TTL 86400 @ IN SOA dns.cn.test.com. root.cn.test.com. ( 1997022700 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS dns.cn.test.com. 195 IN PTR scan.cn.test.com. 196 IN PTR scan.cn.test.com. 197 IN PTR scan.cn.test.com. ### 启动后出现下面的错误[root@localhost etc]# service named restartStopping named: [ OK ]Starting named: Error in named configuration:cn.test.com.zone:1: no current owner namecn.test.com.zone:2: no current owner namecn.test.com.zone:8: no current owner namecn.test.com.zone:9: no current owner namecn.test.com.zone:10: no current owner namecn.test.com.zone:11: no current owner namezone cn.test.com/IN: loading master file cn.test.com.zone: no ownerlocalhost_resolver/cn.test.com/IN: no owner122.168.192.local:1: no current owner name122.168.192.local:2: no current owner name122.168.192.local:8: no current owner name122.168.192.local:9: no current owner name122.168.192.local:10: no current owner name122.168.192.local:11: no current owner namezone 122.168.192.in-addr.arpa/IN: loading master file 122.168.192.local: no ownerlocalhost_resolver/122.168.192.in-addr.arpa/IN: no owner [FAILED] [root@localhost named]# service named startStarting named: Error in named configuration:cn.test.com.zone:9: unknown RR type 'scan'cn.test.com.zone:10: unknown RR type 'scan'cn.test.com.zone:11: unknown RR type 'scan'zone cn.test.com/IN: loading master file cn.test.com.zone: unknown class/typelocalhost_resolver/cn.test.com/IN: unknown class/type122.168.192.local:10: TTL set to prior TTL (195)122.168.192.local:11: TTL set to prior TTL (195)zone 122.168.192.in-addr.arpa/IN: loaded serial 1997022700 [FAILED][root@localhost named]#最后发现在 cn.test.com.zone ， 122.168.192.local 两个配置文件中 ：# vi cn.test.com.zone $TTL 86400 @ IN SOA dns.cn.test.com. root.cn.test.com. ( 42 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS dns.cn.test.com. scan IN A 192.168.122.195 scan IN A 192.168.122.196 scan IN A 192.168.122.197 # vi 122.168.192.local $TTL 86400 @ IN SOA dns.cn.test.com. root.cn.test.com. ( 1997022700 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS dns.cn.test.com. 195 IN PTR scan.cn.test.com. 196 IN PTR scan.cn.test.com. 197 IN PTR scan.cn.test.com. 文件内容的每行开头都会有个空格 ，因为配置的时候都是在网上找些前辈的的案例直接copy 上去 ，却都没有注意到 空格或是TAB 字符，去掉后一切正常 ：[root@localhost named]# service named startStarting named: [ OK ][root@localhost named]# nslookup scan.cn.test.comServer: 192.168.122.94Address: 192.168.122.94#53Name: scan.cn.test.comAddress: 192.168.122.195Name: scan.cn.test.comAddress: 192.168.122.196Name: scan.cn.test.comAddress: 192.168.122.197
