Derek Harding wrote:
: ... I'm not
: sure that telnet is defunct, though. Is it?
No, it's not. "Defunct" means it no longer exists. Telnet is very definitely
alive and well. Though it is insecure for general communications, since it
talks directly to any port, it's very handy for debugging web transactions:
% telnet www.perl.org 80 <= you type this in
Trying 209.85.157.220...
Connected to onion.valueclick.com.
Escape character is '^]'.
HEAD / HTTP/1.0 <= you type this in (with two newlines)
HTTP/1.1 200 OK
Date: Thu, 14 Jun 2001 15:43:50 GMT
Server: Apache/1.3.12 (Unix)
Connection: close
Content-Type: text/html
Connection closed by foreign host.
%
(hint: replace HEAD with GET).
-- tdk
