[lug] TCP port 53?

[Dan Ferris]

You don't have to open tcp 53 for regular DNS, only for servers that 
will be doing zone xfers (secondary servers).

Dan

Chip Atkinson 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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