[CentOS] How to enable bind to listen querys from all my network

Romeo Ninov rninov at gmail.com
Thu Aug 28 09:46:36 UTC 2008


Set bind to listen to IP, not network, for example 10.10.80.1, no 
10.10.80.0

Miguel A. Velasco  wrote / napísal(a):
> Hello all,
>
> I´ve installed a proxy Squid in my gateway and a Cache DNS Server with
> bind. The problem is the server is only resolving is own querys but not
> the client queries from my company.
> When I do:
> $service named start
> I see in /var/log/messages:
>
> starting BIND 9.3.4-P1 -u named -t /var/named/chroot
> found 1 CPU, using 1 worker thread
> loading configuration from '/etc/named.conf'
> listening on IPv6 interface lo, ::1#53
> listening on IPv4 interface lo, 127.0.0.1#53
> command channel listening on 127.0.0.1#953
> command channel listening on ::1#953
> zone 0.in-addr.arpa/IN/localhost_resolver: loaded serial 42
> zone 0.0.127.in-addr.arpa/IN/localhost_resolver: loaded serial 1997022700
> zone 255.in-addr.arpa/IN/localhost_resolver: loaded serial 42
> 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/localhost_resolver: 
>
> loaded serial 1997022700
> zone localdomain/IN/localhost_resolver: loaded serial 42
> zone localhost/IN/localhost_resolver: loaded serial 42
> running
>
> I don´t understand why is only "listening on IPv4 interface lo,
> 127.0.0.1#53"
> I have bind-chroot installed with the following options in 
> /etc/named.conf:
>
> options {
>         listen-on port 53 { 127.0.0.1; 10.10.80.0; };
>         listen-on-v6 port 53 { ::1; };
>         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";
>
>         // Those options should be used carefully because they disable 
> port
>         // randomization
>         // query-source    port 53;
>         // query-source-v6 port 53;
>
>         allow-query     { localhost; };
> };
> logging {
>         channel default_debug {
>                 file "data/named.run";
>                 severity dynamic;
>         };
> };
> view localhost_resolver {
>         match-clients      { localhost; };
>         match-destinations { localhost; };
>         recursion yes;
>         include "/etc/named.rfc1912.zones";
> };
>
> Where 10.10.80.0 is my network range. What may I do my server really
> listen for all my network? Nowadays it´s listenning just itself ....
>
> Thanks very much for your attention.
> Miguel A. Velasco
>
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