centos7–DNS正(反)向解析

#关闭防火墙和selinux [root@ c7-41 ~] systemctl stop firewalld [root@ c7-41 ~] setenforce 0 1,在主机A 服务端上安装DNS服务 [root@ c7-41 ~] yum -y install bind bind-utils bind-libs bind-chroot 2,修改配置 [root@ c7-41 ~] vim /etc/named.conf # 修改主配置文件 [root@ c7-41 ~] cat /etc/named.conf |sed -n '12,21p' options { listen-o