parthivs at cisco.com
Fri Jan 30 22:49:38 UTC 2004
I have question on the same note.
I have DNS forwarder for ipv4 and ipv6. It works fine for UDP but it doesn't
work for TCP port. Is there any specific config requries?
"Stephane Bortzmeyer" <bortzmeyer at nic.fr> wrote in message
news:bv7us5$1nle$1 at sf1.isc.org...
> On Tue, Jan 27, 2004 at 09:53:19PM +0100,
> Remko Lodder <remko at elvandar.org> wrote
> a message of 50 lines which said:
> > TCP 53 is used for very large queries and transfering zones.
> 1) This is wrong: a resolver can use only TCP if it wishes.
> 2) What is your definition of "very"? A TLD like '.ro' (Romania) or
> '.hk' (Hong-Kong) cannot even transfer its complete set of NS (I do
> not mention the additional section, with the IP addresses) if the
> query is at the maximum allowed size.
> > I only open up port 53 on TCP level for zone transfers,
> You are wrong.
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