How to make bind/named to listen for requests on both IPV4 and IPV6

[Harshith Mulky]

Hi,

I would want my Test DNS Server running bind Version: bind-9.8.2-0.17.rc1.el6.x86_64/bind-chroot-9.8.2-0.17.rc1.el6.x86_64 to listen for Requests on both IPV4 and IPV6. 

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I made the following changes in Options  --> Added  listen-on-v6    { any; };

options {
        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";
        allow-query     { any; };
        listen-on-v6    { any; };
        recursion no;

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

        managed-keys-directory "/var/named/dynamic";
};
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and I made a simple test to figure if this was working  -->

# dig localhost @::1

; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6 <<>> localhost @::1
;; global options: +cmd
;; connection timed out; no servers could be reached

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cat /etc/hosts
127.0.0.1   localhost localhost.localdomain localhost4 localhost4.localdomain4
::1         localhost localhost.localdomain localhost6 localhost6.localdomain6

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I see that named is not listening on IPV6

[root at guntur named]# netstat -lnptu |grep "named\W*$"
tcp        0      0 10.54.78.28:53              0.0.0.0:*                   LISTEN      7331/named
tcp        0      0 127.0.0.1:53                0.0.0.0:*                   LISTEN      7331/named
tcp        0      0 127.0.0.1:953               0.0.0.0:*                   LISTEN      7331/named
tcp        0      0 ::1:953                     :::*                        LISTEN      7331/named
udp        0      0 10.54.78.28:53              0.0.0.0:*                               7331/named
udp        0      0 127.0.0.1:53                0.0.0.0:*                               7331/named


[root at guntur named]# netstat -tupanl | grep ":53 "
tcp        0      0 10.54.78.28:53              0.0.0.0:*                   LISTEN      7331/named
tcp        0      0 127.0.0.1:53                0.0.0.0:*                   LISTEN      7331/named
udp        0      0 10.54.78.28:53              0.0.0.0:*                               7331/named
udp        0      0 127.0.0.1:53                0.0.0.0:*                               7331/named

What changes would be required to make Bind Listen on both IPV4 and IPV6?

Thanks
Harshith


 		 	   		  
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