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From: Tom Roche <Tom_Roche AT pobox DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: sshd starts but won't accept connections?
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Reply-to: cygwin AT cygwin DOT com, Tom Roche <Tom_Roche AT pobox DOT com>
Date: Fri, 05 Mar 2010 21:24:36 -0500
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Tom Roche 3/5/2010 11:10 AM
>>> how to to make sshd on the cygwin box accept connections? 

Larry Hall (Cygwin) Fri, 05 Mar 2010 11:36:43 -0500
>> Have you configured the firewall on your Windows machine to allow
>> 'sshd' to use the port you've configured?

Andrew Schulman Fri, 5 Mar 2010 20:11:16 +0000 (UTC)
> Agreed.

Yep. For the benefit of the next poor dumb <bleep/> (and perhaps some
debugging instructions could go in openssh.README?) (and presuming

* one is running winXP with theme=Classic
* windows commands are in the cygwin path

), the resolution process was

1 Determine sshd's windows process#. Lookup sshd.exe in Task Manager,
  or run

$ tasklist | fgrep -ie 'sshd'

  You should get response like

> sshd.exe                 2280 Console               0      4,800 K

  where process#=2280.

2 Determine the port# on which that process# is running. In bash, run

$ netstat -ano | fgrep -e <process# from previous step/>

  You should get response like

>  TCP    0.0.0.0:22        0.0.0.0:0           LISTENING       2280

  where port#=22.

3 Add an exception for that port# to Windows Firewall:

Start>Settings>Control Panel>Windows Firewall>Exceptions>Add Port:
Name=sshd (or whatever text you like)
Port number=<port# from previous step/>
hit button=OK

4 Test connection from ssh client. (Presumably on another device, but
  I'm not sure that's required.) Reboot not required.

thanks, Tom Roche <Tom_Roche AT pobox DOT com>

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