port 53 tcp/udp
borg at borg1911.com
Tue Jul 17 22:08:51 UTC 2012
* Lance Bailey <zaphod at lydia.org> [2012-07-17 14:50:43 -0700]:
> On Tuesday, July 17, 2012 2:43:34 PM UTC-7, Mark Andrews wrote:
> > In message <20120717194840.GA3773 at glasya2>, nex6 writes:
> > > when does bind or dns in general use tcp and when does it use udp?
> > When it needs to. TCP support is NOT optional.
> In particular for notification of secondaries and the subsequent xfer request sequence both TCP and UDP are used. without both, the sequence does not work.
Thanks, for the reply.
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