In addition, TCP is used for queries > 512bytes.  
 
Josh

________________________________

From: bind-users-boun...@lists.isc.org on behalf of Eduardo Júnior
Sent: Mon 5/4/2009 8:35 PM
To: Martin McCormick
Cc: bind-us...@isc.org
Subject: Re: tcp versus udp



Hi,



On Mon, May 4, 2009 at 9:28 PM, Martin McCormick <mar...@dc.cis.okstate.edu> 
wrote:


               When are tcp dns queries necessary?
        
               It was my understanding that clients could user tcp or
        udp.


According to what I read, dns queries are executed using udp
Only zone transfers use tcp connections.

But still according to my reading, it's possible do dns queries through tcp 
connections.

Read RFC 1035
Everything will be more clear. :)


[]'s


-- 
Eduardo Júnior
GNU/Linux user #423272

:wq

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