what is named daemon listening for ports other than 53, 953

Barry Margolin barmar at alum.mit.edu
Sun Oct 5 11:44:40 UTC 2008


In article <gc8mme$doe$1 at sf1.isc.org>,
 "Alan Zoysa" <alanzoysa at gmail.com> wrote:

> BIND950P2:~# netstat -lnp|grep named
> tcp        0      0 127.0.0.1:953           0.0.0.0:*
> LISTEN      21423/named
> tcp6       0      0 ::1:53                  :::*
> LISTEN      21423/named
> tcp6       0      0 ::1:953                 :::*
> LISTEN      21423/named
> udp        0      0 0.0.0.0:56789           0.0.0.0:*
>          21423/named
> udp6       0      0 :::36645                :::*
>          21423/named
> udp6       0      0 ::1:53                  :::*
>          21423/named
> 
> BIND950P2:~# /etc/init.d/bind9 restart
> Stopping domain name service...: bind9.
> Starting domain name service...: bind9.
> BIND950P2:~# netstat -lnp|grep named
> tcp        0      0 127.0.0.1:953           0.0.0.0:*
> LISTEN      21574/named
> tcp6       0      0 ::1:53                  :::*
> LISTEN      21574/named
> tcp6       0      0 ::1:953                 :::*
> LISTEN      21574/named
> udp        0      0 0.0.0.0:36327           0.0.0.0:*
>          21574/named
> udp6       0      0 ::1:53                  :::*
>          21574/named
> udp6       0      0 :::51161                :::*
>          21574/named

The high ports are used for sending recursive queries and receiving the 
replies.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE don't copy me on replies, I'll read them in the group ***


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