CentOS7.x的DNS服务的基础配置

匿名 (未验证) 提交于 2019-12-02 21:56:30

一、bind服务器安装

  bind:开源、稳定、应用广泛的DNS服务。bind的软件包名bind,服务名称named.

  查看是否安装bind, 安装bind包: 

  rpm -qa bind  yum -y install bind

   bind服务主要配置文件:

      /etc/named.conf  //主配置文件

      /etx/named.rfc1912.zones  //区域配置文件

二、基本配置

options {         listen-on-port 53 {any;};   //监听地址,监听端口53     directory       "/var/named";    //bind数据库文件zone文件       allow-file {any;};    //权限的加密控制,允许那些主机查询         recursion yes;      //是否允许进行递归查询  logging {               //服务日志选项         channel default_debug {                 file "data/named.run";                    severity dynamic;                  }; };  zone "." IN {    //根域解析         type hint;         file "named.ca";     };zone "test.com" IN {   //test.com的解析        type master;     file "test.zone";     //test.com的zone文件};zone "43.168.192.in-appr.arpa" IN {   //test.com逆向解析     type master;     file "test.ptr";       //test.com逆向解析zone文件}; #include "/etc/named.rfc1912.zones";  //zone配置文件 #include "/etc/named.root.key";     //根域的key文件

  /var/named/test.zone和/var/named/test.ptr文件可以通过/var/named/empty 拷贝得到

  修改test.zone文件:(正向解析)

$TTL 3H test.com.        IN SOA  test.com.  zh.163.com. (                                         0       ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum  test.com.        IN NS dns.test.com. dns     IN A    192.168.43.100 www     IN A    192.168.43.100

    中间5行不需要修改

  修改/var/named/test.ptr文件:(反向解析)

$TTL 1D @       IN SOA  dns.test.com.  rname.invalid. (                                         0       ; serial                                         1D      ; refresh                                         1H      ; retry                                         1W      ; expire                                         3H )    ; minimum @       NS      dns.test.com.      //ns记录  100     PTR     dns.test.com.      //  dns.test.com.服务器的IP 100     PTR     www.test.com.      //  192.168.43.100对应的域名记录

  启动服务:

三、DNS客户端

  修改本机dns,修改网络配置文件的dns地址

    或修改/etc/resolv.conf

  dns客户端:

  

  示例:

; <<>> DiG 9.9.4-RedHat-9.9.4-72.el7 <<>> @192.168.43.100 www.test.com ; (1 server found) ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55522 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 2  ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.test.com.                   IN      A  ;; ANSWER SECTION: www.test.com.            10800   IN      A       192.168.43.100  ;; AUTHORITY SECTION: test.com.                10800   IN      NS      dns.test.com.  ;; ADDITIONAL SECTION: dns.test.com.            10800   IN      A       192.168.43.100  ;; Query time: 2 msec ;; SERVER: 192.168.43.100#53(192.168.43.100) ;; WHEN: 四 2月 07 23:14:43 CST 2019 ;; MSG SIZE  rcvd: 106

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