搭建内网dns服务

linux

安装

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#安装
yum install -y bind
firewall-cmd --permanent --add-service=dns
firewall-cmd --reload
# 开机自启
systemctl enable named
# 启动
systemctl start named

配置

  1. /etc/named.conf
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options {
        # any表示本地所有网络接口上开启53端口
        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";
        recursing-file  "/var/named/data/named.recursing";
        secroots-file   "/var/named/data/named.secroots";
        # 允许查询A记录的客户端列表，any表示所有
        allow-query     { any; };
        # 设置上级提供查询解析地址的dns
        forwarders      { 114.114.114.114; };

        recursion yes;

        dnssec-enable yes;
        # 关闭dns检测，使dns能够缓存外部信息到本机
        dnssec-validation no;

        /* Path to ISC DLV key */
        bindkeys-file "/etc/named.root.key";

        managed-keys-directory "/var/named/dynamic";

        pid-file "/run/named/named.pid";
        session-keyfile "/run/named/session.key";
};

logging {
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};

zone "." IN {
        type hint;
        file "named.ca";
};

include "/etc/named.rfc1912.zones";
include "/etc/named.root.key";
  1. /etc/named.rfc1912.zones

创建内网需要解析的域名

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# 添加该段内容
zone "hehu.com" IN {
        # dns为master，即主dns
        type master;
        # hehu.com域名的解析文件
        file "hehu.com.zone";
        allow-update { none; };
};

zone "localhost.localdomain" IN {
        type master;
        file "named.localhost";
        allow-update { none; };
};

zone "localhost" IN {
        type master;
        file "named.localhost";
        allow-update { none; };
};

zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN {
        type master;
        file "named.loopback";
        allow-update { none; };
};

zone "1.0.0.127.in-addr.arpa" IN {
        type master;
        file "named.loopback";
        allow-update { none; };
};

zone "0.in-addr.arpa" IN {
        type master;
        file "named.empty";
        allow-update { none; };
};
  1. /var/named/hehu.com.zone
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cd /var/named
cp named.localhost hehu.com.zone