Here's a new one.. (telnet to SMTP port)

[Eric Eisenhart]

On Mon, May 06, 2002 at 03:44:24PM -0700, Jeffrey Miller wrote:
> Hmmm.  Maybe for some reason pacserv3 is passing the telnet initialization
> dialogue up through the protocol stack by mistake? I believe telnet starts
> out assuming it's talking to a telnet server port, then drops back to a TCP
> socket if negotiation fails; this ordinarily doesn't make it up to the
> application level for non-telnet servers.

I was thinking the same thing about the telnet protocol being passed in.

telnet(1):
# When connecting to ports other than the telnet port, telnet does not
# attempt telnet protocol negotiations. This makes it possible to connect to
# services that do not support the telnet protocol without making a mess.
# Protocol negotiation can be forced by placing a dash before the port
# number.

I don't suppose there's a /etc/telnetrc or ~/.telnetrc involved?
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