On Tue, 4 Dec 2001 11:42:15 -0700 
Mike V <[EMAIL PROTECTED]> wrote:

> I was under the impression that 53/tcp was for zone xfers, and
> 53/udp was for queries, so you may want to confirm to avoid
> opening more than you need to.

DNS uses TCP of the returned record exceeds the size of a single UDP
packet.  While typical for zone transfers, this this can also occurr
on a simple lookup query if the returned record has a vary large
number of round-robin addresses that match the name.

-- 
J C Lawrence                
---------(*)                Satan, oscillate my metallic sonatas. 
[EMAIL PROTECTED]               He lived as a devil, eh?              
http://www.kanga.nu/~claw/  Evil is a name of a foeman, as I live.

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