named ports

[Barry Margolin]

In article <dr11ng$qak$1 at sf1.isc.org>, Danny Mayer <mayer at gis.net> 
wrote:

> kalin mintchev wrote:
> >   hi all...
> > 
> >   i just saw that named maintains the ports 2213 and 2214 open.
> >   are these ports listening for remote update instructions?!
> > 
> >   a quick search on line has these two ports listed as used by a game
> > called Kali...
> > 
> >   bind 9.2.4
> > 
> >   thanks...
> 
> You are misinformed. named does not use any specific port outside of 53
> and 953. It will use non-privileged ports (ie > 1024) for its own
> queries but it will close them as soon as it has received a response.

I don't think it closes them.  It opens a socket for outgoing queries 
when it first starts up, and keeps it open the whole time.  Unless you 
use the "query-source" option in named.conf, it lets the stack choose 
the port number.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
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