additional udp port open

[Barry Margolin]

In article <23098.945889893 at gromit.rfc1035.com>,
Jim Reid  <jim at rfc1035.com> wrote:
>>>>>> "Bobi" == Bobi  <bobi at techno-link.com> writes:
>
>    Bobi> Is it nomal for named 8.2.2 to listen on
>    Bobi> additional, random udp port?
>
>No. Definitely not. However it is normal for BIND8 name servers to use
>a random, non-privileged port for *sending* queries to other name
>servers.

Which implies that it's normal for it to listen on that port.  Since UDP is
connection-less, named must listen on the source port used for outbound
queries.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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