IP Tables problem

Mike Burger mburger at bubbanfriends.org
Wed Oct 20 16:54:24 UTC 2004


Sure about that?  My understanding was that TCP is only used for zone file 
transfer type use, and UDP for queries.  I hadn't heard that there was any 
sort of TCP use for queries.

On Wed, 20 Oct 2004, antonio tuozzo wrote:

> This is true! However, normal queries are single UDP requests. DNS system uses TCP only when data syze replies if > 512 bytes.
> On Wed, Oct 20, 2004 at 06:20:20PM +0200, Crucificator wrote:
> > >
> > As a matter of fact DNS uses both TCP and UDP.
> > 
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> > https://www.redhat.com/mailman/listinfo/redhat-list
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