Re: TCP port # used for DNS registrations?



Herb Martin wrote:
> "Pat Coghlan" <info@xxxxxxxxxx> wrote in message
> news:lbLle.10735$dZ5.922042@xxxxxxxxxxxxxxxxxxxxxxxx
>> Can someone tell me what port # is used when a DC registers itself
>> with a DNS server?
>
> That would be UDP 53 (I doubt that TCP would ever be
> used but suppose it may be technically legal.)

I just want to add, if Secure Only updates are set, there are other ports
used, such as Kerberos, RPC and LDAP. Don't forget the dynamic empherical
response ports that Windows using as well (>1024 UDP).

--
Regards,
Ace

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Ace Fekay, MCSE 2003 & 2000, MCSA 2003 & 2000, MCSE+I, MCT, MVP
Microsoft Windows MVP - Windows Server - Directory Services

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