linuX下DNS怎么搭建?

2025-03-06 13:28:14
推荐回答(5个)
回答(1):

  1、安装DNS服务器组件:

  安装bind

  yum install -y bind bind-chroot bind-utils


  2、编辑DNS主配置文件:

  vi /etc/named.conf修改主配置文件,如下图:

  修改完毕,保存退出

  3、接着修改named.rfc1912.zones文件,vi /etc/named.rfc1912.zones,如下图:

  4、添加设置DNS正向解析:

  修改zone配置文件,正向解析:

  cd /var/named/

  cp named.localhost szlpt.cn.zone

  vi szlpt.cn.zone(要和主配置文件[/etc/named.rfc1912.zones]里面定义的zone文件名一致)

  5、修改zone配置文件,反向解析:

  cd /var/named/

  cp named.localhost 32.168.192.zone

  vi 0.168.192.zone(要和主配置[/etc/named.rfc1912.zones]文件里面定义的zone文件名一致)

  6、更改防火墙设置和selinux设置:

  Getenforce(查看selinux是否开启)

  setenforce 0

  vi /etc/sysconfig/iptables #配置防火墙端口

  -AINPUT -m state --state NEW -m tcp -p tcp --dport 53 -j ACCEPT

  -AINPUT -m state --state NEW -m udp -p udp --dport 53 -j ACCEPT

  -AINPUT -m state --state NEW -m tcp -p tcp --dport 953 -j ACCEPT

  service iptables restart #重启防火墙,使规则生效

  7、启动DNS服(注意DNS服务名称在linux是叫做bind):

  service named start

  8、测试检测域信息是否正常(重要):

  检查之前先看下 配置文件有没有读取权限 ll /var/named

  (如果没有读取全线, chmod +r /var/named/*  即可)

  9、检查bind文件配置过程中容易出错:

  以下命令用以检查bind配置文件及zone文件语法

  named-checkconf /etc/named.conf

  named-checkzone szlpt.cn /var/named/ szlpt.cn.zone

  10、启动重启DNS服务,查看服务状态:

  service named restart

  service network restart

  用户端测试解析,通过nslookup进行测试。

回答(2):

嵌入式Linux的ftp最常用来完成开发板和开发环境Linux系统之间的的文件传输功能,避免了频繁的U盘拷贝的过程。

回答(3):

rpm -qa |grep bind
查看是否已经安装bind bind-libs bind-utils 如果没有则安装这几个包(在安装盘里有)
安装 caching-nameserver
修改配置文件named.conf
内容如下
zone "1.168.192.in-addr.arpa" IN {
type master;
file "192.168.1.prv";
allow-update{none;};
};
zone "aaa.com" IN{
type master;
file "aaa.com";
allow-update{none;};
};
启动服务

回答(4):

您好,DNS服务器在LINUX下搭建还是很容易的,如下:
[root@b ~]# rpm -ivh /media/Server/bind-9.3.6-4.P1.el5_4.2.i386.rpm 安装软件包
warning: /media/Server/bind-9.3.6-4.P1.el5_4.2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:bind ########################################### [100%]

[root@b ~]# rpm -ivh /media/Server/caching-nameserver-9.3.6-4.P1.el5_4.2.i386.rpm

warning: /media/Server/caching-nameserver-9.3.6-4.P1.el5_4.2.i386.rpm: Header V3 DSA signature: NOKEY, key ID 37017186
Preparing... ########################################### [100%]
1:caching-nameserver ########################################### [100%]
[root@b ~]#

named服务的配置

在Redhat 5的版本中/etc/named.conf文件已经不存在,改用/etc/named.caching-nameserver.conf文件替代,安装好named服务之后先修改bind的配置文件named.caching-nameserver.conf

[root@c ~]# vi /etc/named.caching-nameserver.conf

options {
listen-on port 53 { 192.168.0.101; }; //定义监听dns服务的地址,也就是dns服务器的地址
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";
query-source port 53;
# query-source-v6 port 53;
# allow-query { localhost; }; //运行使用该dns服务的地址
};
logging {
channel default_debug {
file "data/named.run";
severity dynamic;
};
};
view localhost_resolver {
# match-clients { localhost; }; //允许使用的该dns服务的客户端
# match-destinations { localhost; }; //允许用户解析的dns目的地址
recursion yes;
include "/etc/named.rfc1912.zones";
};

然后修改/etc/named.rfc1912.zones 文件,添加正向及反向的解析域,这里我建立了一个liusuping.com的正向及反向解析域,如下面的代码

zone "liusuping.com" IN {
type master;
file "liusuping.com.zone"; //定义正向解析域的文件
allow-update { none; };
};

zone "0.168.192.in-addr.arpa" IN {
type master;
file "liusuping.com.local"; //定义反向解析域的文件
allow-update { none; };
};

接下来就是创建两个解析配置文件,这里记录了正向及反向的域名解析记录。

正向解析记录

[root@c ~]# vim /var/named/liusuping.com.zone

$TTL 86400
@ IN SOA liusuping.com. root.liusuping.com. (
42 ; serial (d. adams)
3H ; refresh
15M ; retry
1W ; expiry
1D ) ; minimum

IN NS 192.168.0.101
IN A 192.168.0.101
dns IN A 192.168.0.101
www IN A 192.168.0.101
@ IN MX 10 192.168.0.101
ftp IN CNAME www.liusuping.com.

反向解析记录

[root@c ~]# vim /var/named/liusuping.com.local

$TTL 86400
@ IN SOA liusuping.com. root.liusuping.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS dns.liusuping.com.
101 IN PTR dns.liusuping.com.
101 IN PTR www.liusuping.com.

注意:所有的郁闷后面都需要跟一个英文符号的"."

以上配置做好之后重启named服务

[root@c ~]# service named restart
停止 named:[确定]
启动 named:[确定]
[root@c ~]#

使用nslookup 进行DNS测试

正向记录

[root@c ~]# nslookup
> www.liusuping.com
Server: 192.168.0.101
Address: 192.168.0.101#53

Name: www.liusuping.com
Address: 192.168.0.101

CNAME别名测试

> ftp.liusuping.com
Server: 192.168.0.101
Address: 192.168.0.101#53

ftp.liusuping.com canonical name = www.liusuping.com.
Name: www.liusuping.com
Address: 192.168.0.101

mx记录测试

> set type=mx
> liusuping.com
Server: 192.168.0.101
Address: 192.168.0.101#53

liusuping.com mail exchanger = 10 192.168.0.101.liusuping.com.

反向测试

> 192.168.0.101
Server: 192.168.0.101
Address: 192.168.0.101#53

101.0.168.192.in-addr.arpa name = dns.liusuping.com.
101.0.168.192.in-addr.arpa name = www.liusuping.com.

至此一台基本的DNS服务器搭建完成。
希望我的回答能够帮助你,如有不明白可以加69964882或者访问我的网站 www.chlinux.com

回答(5):

http://hi.baidu.com/lew88/blog/item/dca78035fbea9ac4a2cc2b75.html我自己写的

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