Ports

Wed Jan 28 10:38:40 UTC 2004

On Wed, Jan 28, 2004 at 04:16:38AM +0200,
 Genco YILMAZ <gyilmaz at mw.net.tr> wrote 
 a message of 40 lines which said:

> Most resolvers prefer using UDP as their transport layer protocol
> right ?

Probably, following RFC 1035 "4.2. Transport".

> Do you know which resolvers use TCP for queries ?

The old MacTCP did it. Now, I don't know.

> or How can we know that our resolver use tcp or udp ?

tcpdump :-)