[lug] TCP port 53?

Joey McDonald jmcdice at gmail.com
Tue Jul 20 09:47:36 MDT 2004


Yes, it uses TCP for named xfers (zone transfers) and really large
queries (I think).



On Tue, 20 Jul 2004 08:30:37 -0600 (MDT), Chip Atkinson <chip at rmpg.org> wrote:
> Greetings,
> 
> If I'm running a name server, do I need to have TCP port 53 open?  I know
> DNS uses UDP, but does it use TCP as well?
> 
> Thanks in advance.
> 
> Chip
> 
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