DNS bind9 配置

安装环境:Linux 2.6.18-92.el5 x86_64

安装软件:bind-9.7.5

 

1、 bind安装

在压缩包存放的目录下(假设我们要把bind放在/home/目录下)

cd /home/

tar zxvf bind-9.7.5.tar.gz

cd bind-9.7.5

./configure --prefix=/usr/local/bind

make depend

make

make install

mkdir -p /usr/local/bind/var/run
mkdir -p /usr/local/bind/var/named
mkdir -p /usr/local/bind/etc
touch    /usr/local/bind/etc/named.conf
touch    /usr/local/bind/etc/rndc.conf
ln -sf    /usr/local/bind/etc/named.conf    /etc/named.conf
ln -sf    /usr/local/bind/etc/rndc.conf     /etc/rndc.conf
ln -sf    /usr/local/bind/var/named       /var/named
ln -sf    /usr/local/bind/sbin/rndc       /usr/sbin/rndc
ln -sf    /usr/local/bind/sbin/named      /usr/sbin/named

 

 

2、 bind配置

(1)创建密钥

cd /usr/local/bind

sbin/dnssec-keygen -a hmac-md5 -b 128 -n HOST worldhello. 

为bind提供了一种安全机制Transaction Signatures,使用共享密钥进行安全的DNS通知和更新。生成的密钥文件K*****.key,K*****.private。其中*.private文件包含的Key: ******* 即为共享密钥。

(2)创建配置文件:etc/rndc.conf

rndc是远程域名服务控制器。是管理员用来控制域名服务器的应用程序,用于动态加载、停止和配置DNS服务。它的配置文件/etc/rndc.conf内容如下:

key worldhello. { /*共享密钥用于和受控DNS服务器之间完成认证*/

algorithm "hmac-md5";

secret "************************"; /*其中*为上面创建的共享密钥*/

};

options {

default-server localhost; /*管理的DNS主机名称,本例为管理本机*/

default-key   worldhello. ;

};

server localhost {

key worldhello. ;

};

 

 

(3)创建配置文件:/etc/named.conf

named.conf 是域名服务器的主配置文件。zone是配置文件中的最重要的部分,描述了一个授权域名下的域名解析信息。

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[root@linuxetc]#cd/var/named

建立localhost.zone文件

[root@linux named]#vi localhost.zone
$TTL    86400 
$ORIGIN localhost. 
@                       1D IN SOA       @ root ( 
                                        42              ; serial (d. adams) 
                                        3H              ; refresh 
                                        15M             ; retry 
                                        1W              ; expiry 
                                        1D )            ; minimum 

                        1D IN NS        @ 
                        1D IN A         127.0.0.1

建立named.local文件 [root@linux named]#vi named.local

$TTL    86400 
@       IN      SOA     localhost. root.localhost.  ( 
                                      1997022700 ; Serial 
                                      28800      ; Refresh 
                                      14400      ; Retry 
                                      3600000    ; Expire 
                                      86400 )    ; Minimum 
              IN      NS      localhost. 

1       IN      PTR     localhost.

dig命令直接生成named.root文件

[root@linuxnamed]#dig>named.root

建立test.com域名正向解析文件

[root@linux named]#vi test.zone
$TTL 86400
$ORIGIN test.com.
@   IN SOA  ns.test.com. root.test.com.(
              2012051600
              3600
              300
              604800
              3600)
@   IN NS  ns.test.com.
ns  IN A   127.0.0.1
www IN A   192.168.101.206

注明:192.168.101.206为www.test.com机器的ip

建立test.com域名反向解析文件 [root@linux named]#vi test.local

$TTL 86400 
@ IN SOA test.com. root.test.com.( 
20031001; 
7200; 
3600; 
43200; 
86400); 
@ IN NS test.com. 
82 IN PTR dns.test.com.

配置named.conf加如以下代码

[root@linux etc]# vi named.conf 

key worldhello. {
        algorithm "hmac-md5";
        secret "************************"; /*其中*为上面创建的共享密钥*/
};
controls {
inet 127.0.0.1 allow { localhost; } keys { worldhello.; };
};

options {
   directory "/var/named";
   allow-query { any; };
   pid-file "named.pid";
};

zone "." IN {
        type hint;
        file "named.root";
};

zone "localhost" IN {
        type master;
        file "localhost.zone";
        allow-update { none; };
};

zone "0.0.127.in-addr.arpa" IN {
        type master;
        file "named.local";
        allow-update { none; };
};

zone "test.com" IN {
        type master;
        file "test.zone";
        allow-update { none; };
};
zone "101.168.192.in-addr.arpa" IN {
        type master;
        file "test.local";
        allow-update { none; };
};

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