On 05.05.18 09:52, Blason R wrote:

OK So wondering if I have master in cloud wanted to know which port should
I open for slave which is behind corporate firewall and if I set as below
then my slaves will start listening on port 2034? I am bit confused on
port
numbers for NOTIFY messages and NOTIFY-UPDATED [i.e. AXFR/IXFR]

On Sat, May 5, 2018 at 10:34 PM, Matus UHLAR - fantomas <uh...@fantomas.sk>
wrote:
source port: random.
destination port: 53 (standard DNS port).

you don't need to enable different ports unless you can't do stateful
firewall

On 05.05.18 22:53, Blason R wrote:
Absolutely that is TCP/53 required for Zone Xfer right?

not only xfer. both TCP and UDP are required for working DNS.

--
Matus UHLAR - fantomas, uh...@fantomas.sk ; http://www.fantomas.sk/
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