telnet to port 53

[David T. Smith]

Kevin Darcy wrote:
 >
 > Barry Margolin wrote:
 >
 > > In article <19991210131718.C920 at adams.cospo.osis.gov>,
 > > Joseph S D Yao <jsdy at cospo.osis.gov> wrote:
 > > >On Mon, Dec 06, 1999 at 05:32:53PM -0500, David wrote:
 > > >> Hi,
 > > >> Should I be able to telnet to port 53? If not, how can i disable it?
 > > >>
 > > >> Thanks
 > > >> David
 > > >
Actually, since DNS is a binary protocol (as opposed to SMTP, HTTP and
others), telneting (i.e., using a telnet client to connect to the tcp
port 53) will not enable anything useful (unless one is real good with
control characters and generating arbitrary 8-bit codes).
DTS
--
D A V I D T . S M I T H
Principal Consultant, Network Solutions
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