Claus Assmann <ca+ietf-822(_at_)esmtp(_dot_)org> writes:
On Sun, Feb 27, 2005, Keith Moore wrote:
nice try. but in practice if you try to connect to 0.0.0.0 you'll get
an error, which is what we want to happen.
That depends on your OS:
mine$ uname -a
SunOS mine 5.9 Generic_117171-12 sun4u sparc SUNW,Ultra-2
mine$ telnet 0.0.0.0 25
Trying 0.0.0.0...
Connected to 0.0.0.0.
Escape character is '^]'.
220 mine ESMTP Sendmail 8.13.1/8.13.1; Mon, 28 Feb 2005 05:48:09 +0100 (MET)
windlord:~> uname -a
Linux windlord 2.4.26 #1 Tue Apr 20 16:17:15 PDT 2004 i686 GNU/Linux
windlord:~> telnet 0.0.0.0 smtp
Trying 0.0.0.0...
Connected to 0.0.0.0 (0.0.0.0).
Escape character is '^]'.
220 windlord.stanford.edu ESMTP
quit
221 windlord.stanford.edu
Connection closed by foreign host.
--
Russ Allbery (rra(_at_)stanford(_dot_)edu)
<http://www.eyrie.org/~eagle/>