centos7.4安装 DNS 服务器

Posted 2020-10-29

centos7.4安装 DNS 服务器

DNS服务器ip为 192.168.221.10(关闭防火墙)
DNS客户端ip为 192.168.221.20

• 安装 bind-9.9.4-50.el7.x86_64

yum install bind -y

• 修改配置文件 /etc/named.conf

// 修改
listen-on port 53 { any; };
listen-on-v6 port 53 { any; };
allow-query     { any; };
// 增加
zone "apeng.com." IN {
        type master;
        file "apeng.com.zone";
};

• 生成区域配置文件

[[email protected] ~]# vim /etc/named.conf
[[email protected] named]# cp -p named.localhost apeng.com.zone
[[email protected] named]# vim apeng.com.zone

• 启动 named 服务

[[email protected] named]# systemctl start named

DNS 客户端访问

将 DNS 修改为 192.168.221.10

[[email protected] ~]# sed -ri ‘/DNS1/c\DNS1=192.168.221.10‘ /etc/sysconfig/network-scripts/ifcfg-ens33
[[email protected] ~]# systemctl restart network

设置 DNS 转发

// 在 DNS 服务器上设置
[[email protected] named]# vim /etc/named.conf  // 注释掉 zone，加上以下两行
forward only;
forwarders { 8.8.8.8; };
[[email protected] named]# systemctl restart named

在dns客户端访问