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這篇文章主要介紹了centos7.x中如何部署主、從DNS服務器,具有一定借鑒價值,感興趣的朋友可以參考下,希望大家閱讀完這篇文章之后大有收獲,下面讓小編帶著大家一起了解一下。
1、準備
例:兩臺192.168.219.146(主), 192.168.219.147(從), 域名www.panyangduola.com
主、從DNS服務器均需要安裝bind、bind-chroot、bind-utils
yum -y install bind bind-utils bind-chroot
如果防火墻開啟,配置防火墻,添加服務(防火墻已禁用則忽略)
firewall-cmd --permanent --add-service=dns firewall-cmd --reload
2、主DNS服務器(192.168.219.146)配置
編輯配置文件
vim /etc/named.conf
找到其中兩行
listen-on port 53 { 127.0.0.1; }; allow-query { localhost; };
修改為
listen-on port 53 { any; }; allow-query { any; };
2-1、配置正向解析
編輯文件/etc/named.rfc1912.zones,在末尾添加需要解析的域
vim /etc/named.rfc1912.zones zone "panyangduola.com" IN { type master; file "data/panyangduola.com.zone"; };
創建panyangduola.com.zone解析域
vim /var/named/data/panyangduola.com.zone $TTL 3600 $ORIGIN panyangduola.com. @ IN SOA panyangduola.com. admin.panyangduola.com. ( 2018042101 1D 1H 1W 3H ) @ IN NS ns1.panyangduola.com. @ IN NS ns2.panyangduola.com. ns1 IN A 192.168.219.146 ns2 IN A 192.168.219.147 www IN A 192.168.219.146 web IN CNAME www
2-2、配置反向解析
編輯文件/etc/named.rfc1912.zones,在末尾添加需要解析的域
vim /etc/named.rfc1912.zones zone "219.168.192.in-addr.arpa" IN { type master; file "data/219.168.192.zone"; };
創建219.168.192.zone解析域
vim /var/named/data/219.168.192.zone $TTL 3600 $ORIGIN 219.168.192.in-addr.arpa. @ IN SOA panyangduola.com. admin.panyangduola.com. ( 2018042101 1D 1H 1W 3H ) @ IN NS ns1.panyangduola.com. @ IN NS ns2.panyangduola.com. 146 IN PTR ns1.panyangduola.com. 147 IN PTR ns2.panyangduola.com. 146 IN PTR www.panyangduola.com.
2-3、對DNS配置文件進行一下語法檢查:
cd /etc named-checkconf named.conf named-checkconf named.rfc1912.zones cd /var/named/data named-checkzone panyangduola.com panyangduola.com.zone named-checkzone 219.168.192.in-addr.arpa 219.168.192.zone
2-4、編輯/etc/resolv.conf,添加
vim /etc/resolv.conf search localdomain nameserver 192.168.219.146
2-5、如果2-3步驟沒有錯誤發生的話,啟動named服務
重啟named
systemctl restart named
查看狀態
systemctl status named
2-6、檢查主DNS服務器解析是否成功
ping命令驗證
ping -c 4 www.panyangduola.com nslookup命令驗證 nslookup >www.panyangduola.com nslookup >192.168.219.146
3、從DNS服務器(192.168.219.147)配置
編輯named.conf文件
vim /etc/named.conf
找到其中兩行
listen-on port 53 { 127.0.0.1; }; allow-query { localhost; };
修改為
listen-on port 53 { any; }; allow-query { any; };
3-1、修改主DNS服務器(192.168.219.146)的配置/etc/named.rfc1912.zones
vim /etc/named.rfc1912.zones zone "panyangduola.com" IN { type master; file "data/panyangduola.com.zone"; allow-transfer {192.168.219.147;}; notify yes; also-notify {192.168.219.147;}; }; zone "219.168.192.in-addr.arpa" IN { type master; file "data/219.168.192.zone"; allow-transfer {192.168.219.147;}; notify yes; also-notify {192.168.219.147;}; };
3-2、配置從DNS服務器(192.168.219.147)正向解析
編輯文件/etc/named.rfc1912.zones,在末尾添加需要解析的域
vim /etc/named.rfc1912.zones zone "panyangduola.com" IN { type slave; file "data/panyangduola.com.zone"; masters { 192.168.219.146; }; };
創建panyangduola.com.zone空文件
touch /var/named/data/panyangduola.com.zone
設置所有者
cd /var/named/data chown named:named panyangduola.com.zone
3-3、配置從DNS服務器(192.168.219.147)反向解析
在文件/etc/named.rfc1912.zones中添加
vim etc/named.rfc1912.zones zone "219.168.192.in-addr.arpa" IN { type slave; file "data/219.168.192.zone"; masters { 192.168.219.146; }; };
創建空文件219.168.192.zone
touch /var/named/data/219.168.192.zone
設置所有者
cd /var/named/data chown named:named 219.168.192.zone
3-4、對DNS配置文件進行一下語法檢查:
cd /etc named-checkconf named.conf named-checkconf named.rfc1912.zones
3-5、編輯/etc/resolv.conf,添加
vim /etc/resolv.conf search localdomain nameserver 192.168.219.147
3-6、如果3-4步驟沒有錯誤發生的話,啟動named服務
重啟named
systemctl restart named
查看狀態
systemctl status named
3-7、查看文件/var/named/data/panyangduola.com.zone和/var/named/data/219.168.192.zone是否有二進制數據
cat /var/named/data/panyangduola.com.zone cat /var/named/data/219.168.192.zone
3-8、檢查從DNS服務器解析是否成功
ping命令驗證 ping -c 4 www.panyangduola.com nslookup命令驗證 nslookup >192.168.219.147
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