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Date: Mon, 09 Aug 2010 09:52:44 -0400
From: Charles Wilson <cygwin AT cwilson DOT fastmail DOT fm>
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To: cygwin AT cygwin DOT com
Subject: Re: telnet connected but without response  in cygwin 1.7.5
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On 8/9/2010 8:15 AM, laurent DOT metais AT cp DOT com wrote:
> I have the same problem as described here (
> http://sourceware.org/ml/cygwin/2010-02/msg00202.html) , with telnet
> connection, there is no response.
>
> Where can I find a fix for this issue ? I am currently using cygwin 1.7.5
> and issue is still there.

You have not provided enough detail; your symptom may be the same as 
that reported in February, but the issue that affected 
telnet+cygwin+Vista back then has been corrected.


You need to describe the networking configuration: you are trying to 
telnet from (what system? OS? is this the cygwin machine? using which 
telnet client? the cygwin one or some other one?) to (what system? OS? 
what telnet server is running -- is it cygwin telnetd?).

How is your firewall configured, on the server and on the client 
machine? If you use a different telnet client, on the same machine, to 
connect to the same server, does it work?  If you use the failing telnet 
client, to connect to a different server, does THAT work?

Finally, note that many modern telnet servers now require the client 
machine to be running an "identd" server, or they will appear to hang 
for up to 60 seconds!  See /usr/share/doc/Cygwin/inetutils.README for 
more info, and a link to a win32 identd server you can try.

Also, please *attach* (do not paste) the output from 'cygcheck -svr'.

--
Chuck

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