Editing Split DNS Implementation for RDM by Gopal Krishan (section)

== Main Configuration ==
 
Edit the file /etc/named.conf as follows and make sure internal and external view are created which I have marded in red.


vi /etc/named.conf

 <nowiki>###################################################################</nowiki>
 // named.conf for Red Hat caching-nameserver 
 //
 acl loc {127.0.0.1/8; 10.10.1.0/21; 10.10.2.0/21; 10.10.3.0/21; };
 options {
 directory "/var/named";
 dump-file "/var/named/data/cache_dump.db";
 statistics-file "/var/named/data/named_stats.txt";
 allow-query { loc;};
 allow-recursion { loc;};
 forwarders {202.56.240.5; 202.56.250.5; 4.2.2.2; };
 /*
 * If there is a firewall between you and nameservers you want
 * to talk to, you might need to uncomment the query-source
 * directive below. Previous versions of BIND always asked
 * questions using port 53, but BIND 8.1 uses an unprivileged
 * port by default.
 */
 // query-source address * port 53;
 };
 // 
 // a caching only nameserver config
 // 
 controls {
 inet 127.0.0.1 allow { localhost; } keys { rndckey; };
 };
 view "inside" {
 match-clients { loc; };
 recursion yes;
 zone "." IN {
 type hint;
 file "named.root";
 };
 zone "0.0.127.in-addr.arpa" IN {
 type master;
 file "named.local";
 allow-update { none; };
 };
 zone "rdm.co.in" IN {
 type master;
 file "rdm.co.in.int.zone";
 allow-update { none; };
 allow-query { any; };
 };
 zone "rdmindia.com" IN {
 type master;
 file "rdmindia.com.int.zone";
 allow-update { none; };
 allow-query { any; };
 };
 zone "rdmfamily.in" IN {
 type master;
 file "rdmfamily.in.zone";
 allow-update { none; };
 allow-query { loc; };
 };
 zone "1.10.10.in-addr.arpa" IN {
 type master;
 file "rdmfamily.in.local";
 allow-update { none; };
 allow-query { loc; };
 };
 zone "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.ip6.local";
 allow-update { none; };
 };
 zone "255.in-addr.arpa" IN {
 type master;
 file "named.broadcast";
 allow-update { none; };
 };
 zone "0.in-addr.arpa" IN {
 type master;
 file "named.zero";
 allow-update { none; };
 };
 };
 view "outside" {
 match-clients { !loc; any; };
 recursion no;
 zone "rdm.co.in" IN {
 type master;
 file "rdm.co.in.ext.zone";
 allow-update { none; };
 allow-query { any; };
 };
 zone "rdmindia.com" IN {
 type master;
 file "rdmindia.com.ext.zone";
 allow-update { none; };
 allow-query { any; };
 };
 zone "188.21.125.in-addr.arpa" IN {
 type master;
 file "rdm.co.in.local";
 allow-update { none; };
 allow-query { any; };
 };
 };
 include "/etc/rndc.key";
 Make entries in /var/named/chroot/var/named/.