DNS named installation

Step 1

[root@~]# yum install caching-nameserver

Install named program via yum

Step 2

[root@~]# vi /var/named/chroot/etc/named.conf

options {
        directory "/var/named";
        pid-file "/var/run/named/named.pid"; 
        // query-source address * port 53;
};


logging {
category "default" { "debug"; };
category "general" { "debug"; };
category "database" { "debug"; };
category "security" { "debug"; };
category "config" { "debug"; };
category "resolver" { "debug"; };
category "xfer-in" { "debug"; };
category "xfer-out" { "debug"; };
category "notify" { "debug"; };
category "client" { "debug"; };
category "unmatched" { "debug"; };
category "network" { "debug"; };
category "update" { "debug"; };
category "queries" { "debug"; };
category "dispatch" { "debug"; };
category "dnssec" { "debug"; };
category "lame-servers" { "debug"; };

    channel debug {
        file "/var/log/named.log";
        print-time yes;
        print-category yes;
    };
};


controls {
        inet 127.0.0.1 allow { localhost; } keys { rndckey; };
};
zone "." IN {
        type hint;
        file "named.ca";
};

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

zone "0.0.127.in-addr.arpa" IN {
        type master;
        file "named.local";
        allow-update { none; };
};

include "/etc/rndc.key";

cd /etc
ln -s /var/named/chroot/etc/named.conf
mv /var/named/chroot/etc/named.caching-nameserver.conf /tmp
rm /etc/named.caching-nameserver.conf

Create the basic config of named '/etc/named.conf' and remove the default conf

Step 3

[root@~]# cd /var/log
ln -s /var/named/chroot/var/log/named.log

Create the symbolic to log which we defined.

chmod 777 -Rvf /var/named/
[root@~]# chkconfig named on
[root@~]# /etc/init.d/named start

Start named service and set auto-start feature.

[root@~]# vi /etc/resolv.conf

nameserver 127.0.0.1
nameserver 202.177.26.100

Edit recolv.conf and insert the first primary dns '127.0.0.1' for your server.

Step 4

[root@~]# dig @127.0.0.1 yahoo.com
[root@~]# less /var/log/named.log

Testing query yahoo.com and view back the log in your basic named DNS server.

DNS server is used port 53, remember add accept rule in Linux server's iptables and NAT port forwart of port 53 (If it used as public DNS server).