named ports
Danny Mayer
mayer at gis.net
Tue Jan 24 16:12:15 UTC 2006
Barry Margolin wrote:
> 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.
>
Yes, sorry about that. Under normal operation it will keep the same port
open. The rest of the statement was correct.
Danny
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