Test3 unit3

unit3DNS

yum install bind -y                                  ##安装软件

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systemctl stop firewalld                       ##关闭防火墙

systemctl start named                           ##开启服务

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vim /etc/named.conf                             ##修改配置文件

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systemctl restart named                          ##重启服务

netstat -antlpe | grep named                     ##查看端口状态

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正向解析

vim /etc/named.rfc1912.zones                       ##修改配置文件

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cp -p /var/named/named.localhost /var/named/westos.com.zone         ##复制模板

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vim westos.com.zone                            ##修改文件

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NS : 域名的名称服务器

A : 名称至 IPv4 地址

CNAME : 名称至 ” 规范名称 “ ( 包含 A/AAAA 记录的另一个名称 )

MX : 用于名称的邮件交换器 ( 向何处发送其电子邮件 ) 1表示等级

systemctl restart named                        ##重启服务

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vim /etc/named.rfc1912.zones  ##修改配置文件

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cp -p /var/named/named.loopback /var/named/westos.com.ptr

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/var/named/westos.com.ptr  

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systemctl restart named                          ##重启服务

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不同IP的解析

设置两个IP

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cp -p /etc/named.frc1912.zones /etc/named.frc1912.inter

cp -p /var/named/westos.com.zone /var/named/westos.com.inter  ##复制模板

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vim /etc/nmaed.conf  

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vim /etc/named.frc1912.inter

vim /var/named/westos.com.inter

systemctl restart named    

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反向解析

cp -p /var/named/westos.com.zone /mnt                ##备份文件

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vim /etc/named.frc1912.zone

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chmod 770 /var/named/

setsebool -P named_write_master_zones 1              

systemctl restart named

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dns加密

dnssec-keygen -a HMAC-MD5 -b 128 -n HOST westoskey           ##生成加密文件

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cp -p /etc/rndc.key  /etc/westos.key   ##复制模板

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v

vim  /etc/westos.key 

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vim /etc/named.conf

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vim /etc/named.frc1912.zones

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systemctl restart named 

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动态dns解析

yum install dhcp -y                            ##安装服务

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cp /usr/share/doc/dhcp-4.2.5/dhcpd.conf.example /etc/dhcpd/dhcpd.conf ##复制模板

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vim /etc/dhcpd/dhcpd.conf 

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systemctl restart dhcpd ##重启服务

设置网络模式为dhcp

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