zone transfers sticking on one port?

[Barry Margolin]

In article <c356if$1afi$1 at sf1.isc.org>,
 Chris Fabri <fabric at northwestern.edu> wrote:

> At 03:08 PM 3/15/2004, David Botham wrote:
> 
> 
> >That's OK, I guess I left out the part about the fact that Zone Transfers
> >use TCP, not UDP.  Perhaps your packet traces are not what you think they
> >are?
> 
> 
> Incremental transfers are UDP.  It's the full AXFR transfers or 
> incrementals that will need more than one packet that are transmitted 
> TCP.  At least that's how I understood my read of the bind 9 manual.

Also, before it sends a zone transfer request, it sends an ordinary 
query for the SOA record.

-- 
Barry Margolin, barmar at alum.mit.edu
Arlington, MA
*** PLEASE post questions in newsgroups, not directly to me ***