Windows 2003 DNS for Dynamic Updates
ronan at noc.ulcc.ac.uk
Fri Oct 22 21:16:58 UTC 2004
chris.malyon at gmail.com (Chris) wrote:
> I am trying to setup a Dynamic DNS server dor hosting domains.
> I have currently got a windows 2k3 DNS server hosting my domains eg
> "mydomain.com" I want to beable to get clients around the country to
> update Hosts eg "sales.mydomain.com"
> I have managed to find a client which should support this called
> DynSite, this client does work from any computer running on the
> private side of the network where the Dns server is located however
> when i try and update a host from a client in a different location I
> just get an error??
> One thing i did notice was from the private side of the server I can
> telnet to port 53 but from outside I can not, as the update client
> used port 53 I was wondering if this wold be causing any problems?
> the firewall does allow port 53 through as the server does work for
> resolving DNS for the hosted domains.
DNS queries normally use UDP, but I believe dynamic DNS updates use
TCP (which is what your telnet test is using) so your firewall will
need to allow access to port 53 on your server in both UDP and TCP.
Ronan Flood <R.Flood at noc.ulcc.ac.uk>
working for but not speaking for
Network Services, University of London Computer Centre
(which means: don't bother ULCC if I've said something you don't like)
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