BIND : Configure Secondary Server2024/04/29 |
Configure DNS Secondary Server. On this example, it shows to configure DNS Secondary Server [ns.server.education] (192.168.100.85) that DNS Primary Server is [dlp.srv.world] (172.16.0.82) configured like here. Replace IP address and Hostname to your own environment. |
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[1] | Configure on DNS Primary Server Host. |
root@dlp:~#
vi /etc/bind/named.conf.options ..... ..... options { directory "/var/cache/bind"; ..... ..... allow-query { localhost; internal-network; }; // add secondary server to allow to transfer zone files allow-transfer { localhost; 192.168.100.85; }; allow-recursion { localhost; internal-network; }; ..... .....
root@dlp:~#
vi /etc/bind/srv.world.wan $TTL 86400 @ IN SOA dlp.srv.world. root.srv.world. ( ;; update serial number 2024042903 ;Serial 3600 ;Refresh 1800 ;Retry 604800 ;Expire 86400 ;Minimum TTL ) IN NS dlp.srv.world. ;; add secondary server IN NS ns.server.education. IN A 172.16.0.82 IN MX 10 dlp.srv.world. dlp IN A 172.16.0.82 www IN A 172.16.0.83root@dlp:~# systemctl restart named |
[2] | Configure on DNS Secondary Server Host. |
root@ns:~#
vi /etc/bind/named.conf.external-zones // add target zone info // IP address is the primary server's one zone "srv.world" IN { type secondary; primaries { 172.16.0.82; }; file "/etc/bind/secondary/srv.world.wan"; };
root@ns:~#
root@ns:~# mkdir /etc/bind/secondary root@ns:~# chown bind /etc/bind/secondary root@ns:~# systemctl restart named
ll /etc/bind/secondary
total 12
drwxr-sr-x 2 bind bind 4096 Apr 29 11:32 ./
drwxr-sr-x 3 root bind 4096 Apr 29 11:30 ../
-rw-r--r-- 1 bind bind 441 Apr 29 11:32 srv.world.wan
# zone file has been transferred
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