=====DNS安裝及設定=====
  - 需要到的套件及相關設定檔
  - 架設DNS模式
  - 修改設定檔
  - 啟動dns及測試

**需要到的套件及相關設定檔**

 **[root@andy ~]# rpm -qa | grep bind**
  system-config-bind-4.0.3-4.el5.centos
  bind-utils-9.3.6-4.P1.el5_4.2
  bind-9.3.6-4.P1.el5_4.2    ----->主要套件
  bind-libs-9.3.6-4.P1.el5_4.2
  ypbind-1.19-12.el5
  bind-chroot-9.3.6-4.P1.el5_4.2
  kdebindings-3.5.4-6.el5

**[root@andy ~]# rpm -ql | grep bind**
  /etc/dbus-1/system.d/named.conf
  /etc/logrotate.d/named
  /etc/named.conf   ------->主要設定檔
  /etc/rc.d/init.d/named -------->啟動服務的檔案
  /etc/rndc.conf
  /etc/rndc.key
  /etc/sysconfig/named
  ~略～
  /var/log/named.log  -------->DNS的紀錄檔
  /var/named        --------->正反解檔存放的目錄
  /var/named/data
  /var/named/slaves
  /var/run/named
  
**架設DNS模式**

[[:單一DNS模式|單一DNS模式]]


{{:dns_master與slave種類1.png|dns與slave模式}}

[[:Master與Slave模式(同一個網段)|Master與Slave模式(同一個網段)]]


{{:dns_master與slave種類2.png|dns與slave模式}}

[[:Master與Slave模式（不同網段）|Master與Slave模式（不同網段）]]

{{:dns_master與slave種類3.png|dns與slave模式}}

混和模式

{{:dns_master與slave種類4.png|dns與slave模式}}



**修改設定檔**

**[root@andy ~]# vi /var/named/chroot/etc/named.conf**

    options {
        listen-on port 53 { any; };
        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; };
        recursion yes;
          };
    logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
                             };
          };
  zone "." IN {
        type hint;
        file "named.ca";
           };
  zone "three32.com" IN {
        type master;
        file "named.three32.com";
                    };
  zone "6.168.192.in-addr.arpa" IN 
       {
       type master;
       file "named.192.168.6";
       };
**[root@andy ~]#  ll /var/named/chroot/var/named/**
  drwxrwx--- 2 named named 4096  8月 26  2004 data
  -rw-r----- 1 root  named  540  3月 17 16:30 named.192.168.6------>反解檔
  -rw-r----- 1 root  named 1892  3月 17 15:12 named.ca------->全世界十三台根伺服器
  -rw-r----- 1 root  named  466  3月 17 15:12 named.three32.com------>正解檔
  drwxrwx--- 2 named named 4096  3月 31 15:56 slaves
**[root@andy ~]#  vi /var/named/chroot/var/named/named.three32.com**
  $TTL    86400
  @       IN SOA  andy.three32.com.        root.three32.com.(
                                        20100309        ; serial
                                        10800   ; refresh
                                        3600    ; retry
                                        604800  ; expire
                                        86400 ) ; minimum
  @       In      NS      andy.three32.com.
  andy.three32.com.        IN      A       192.168.6.32
**[root@andy ~]# vi /var/named/chroot/var/named/named.192.168.6**
  $TTL 86400
  @       IN SOA  andy.three32.com.        root.three32.com.  (
                                        20100309        ; serial
                                        10800   ; refresh
                                        3600    ; retry
                                        604800  ; expire
                                        86400 ) ; minimum
  @       IN      NS      andy.three32.com.
  32.6.168.192.in-addr.arpa.      IN      PTR     andy.three32.com.
  24.6.168.192.in-addr.arpa.      IN      PTR     pcdiy.test.com.
**啟動dns及測試**

**[root@andy ~]#/etc/init.d/named start**

  正在啟動 named:                                            [  確定  ]
**[root@andy ~]#nslookup andy.three32.com**
  Server:         10.1.2.77
  Address:        10.1.2.77#53
  Name:   andy.three32.com
  Address: 192.168.6.32
**註**
[[ftp://rs.internic.net/domain/root.zone.gz|name.root]]