telnet to port 53?

[Barry Margolin]

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
>
>If you have the port open for DNS, then you can use 'telnet' to connect
>to it.  Some programs test for 'telnet' and reject it.  But 'named' does
>not.  Why should it?  ;-)

How can a server "test for 'telnet'"?  A TCP connection is a TCP
connection, there's no way to tell what program initiated it.

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
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