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Date: Fri, 29 Jan 2010 09:01:17 -0600
From: Jeremy Bopp <jeremy AT bopp DOT net>
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To: cygwin AT cygwin DOT com
Subject: Re: Telnet connect to Cygwin gives no response
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On 1/29/2010 8:48 AM, Marc Doesburg wrote:
> Hello All,
> 
> I hope I'm at the right place. I'm pretty new to Cygwin, so sorry in
> advance if this is a noob question.
> 
> What I'm trying to do is the following:
> 
> Connect using telnet to a local installed Cygwin. Then using the
> Cygwin to rlogin to a PBX system. The program we are using for the
> telnet session is ProComm Plus, which doesn't support rlogin and/or
> SSH. It only supports telnet or serial.
> 
> So I was thinking to install Cygwin with a telnet daemon/service so I
> could connect to it using telnet and "pass-trough" using rlogin to the
> PBX system.
> 
> The rlogin part is working great from the Cygwin window. The problem
> I’m facing is that I’m able to connect to Cygwin using telnet, but I’m
> not getting any response. I’m sure that I’m connected to Cygwin,
> because when I disable the “cygwin inetd” from the windows services
> the connection drops.
> 
> I also tried this on a clean Windows 2003 server installation with the
> same results. Although I also tried it on a Windows 2003 machine, my
> machine is Windows Vista. I also tried to connect using putty and
> windows telnet. All have the same results. All are able to connect,
> but none are getting any response from Cygwin.
> 
> I followed the installation/configuration instructions found in the
> inetutils-1.5.README document. I installed all the required runtime
> and build requirements, although most of them are newer versions. But
> that shouldn’t be I problem I guess. I'm using the latest (released
> today) setup/install of cygwin.
> 
> But since I’m pretty new to cygwin it’s probably a “you need to enable
> this parameter” thingy…
> 
> Thanks in advance.

I'm a big fan of Cygwin and all, but it sounds like your direct problem
is ProComm Plus and its lack of rlogin support.  Since you are setting
up a Cygwin environment somewhere, are you allowed to try alternatives
to ProComm Plus such as PuTTY?  It's a great terminal program with
support for telnet, SSH, serial, and rlogin.

http://www.chiark.greenend.org.uk/~sgtatham/putty/

Of course, if you are allowed to use Cygwin at all, why not use it
directly which you say works for rlogin?

-Jeremy

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