RHEL5.x上实现简单的DNS解析

日期：2020-10-13 栏目：程序人生浏览：次

一.安装软件包这里使用yum安装
1. 配置本地yum源并安装所需软件包#mount /dev/cdrom /media #vim /etc/yum.repos.d/local.repo #添加一下内容 [base] name=Server baseurl=file:///media/Server enabled=1 #yum -y install bind.i* bind-devel bind-chroot caching-nameserver

二.配置DNS服务
1 .编辑dns主配置文件

#cd /var/named/chroot/etc #cp -p named.caching-nameserver.conf named.conf #vim 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"; // Those options should be used carefully because they disable port // randomization // query-source port 53; // query-source-v6 port 53; 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"; };

2. 编辑区域配置文件,也就是上面的named.zones

#cp -p named.rfc1912.zones named.zones #vim named.zones #内容如下 zone "linuxidc.com" IN { type master; file "linuxidc.zone"; allow-update { none; }; }; zone "155.16.172.in-addr.arpa" IN { type master; file "155.16.172.local"; allow-update { none; }; };

3. 编辑区域数据库文件也就是正向解析和反向解析配置文件

#cd /var/named/chroot/var/named #cp -p localhost.zone linuxidc.zone #vim linuxidc.zone 内容如下当然也可以根据自己的需要修改 $TTL 86400 @ IN SOA dns.linuxidc.com. root.linuxidc.com. ( 42 ; serial (d. adams) 3H ; refresh 15M ; retry 1W ; expiry 1D ) ; minimum IN NS dns.linuxidc.com. dns IN A 172.16.155.1 #cp -p named.local 155.16.172.local #vim 155.16.172.local 内容如下也可以根据自己的需要修改 $TTL 86400 @ IN SOA dns.linuxidc.com. root.linuxidc.com. ( 2012062500 ; Serial 28800 ; Refresh 14400 ; Retry 3600000 ; Expire 86400 ) ; Minimum IN NS dns.linuxidc.com. 1 IN PTR dns.linuxidc.com.

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RHEL5.x上实现简单的DNS解析

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