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Date: Wed, 13 Oct 2010 22:09:48 +0000
From: jurriaan AT rivierenland DOT xs4all DOT nl
To: cygwin AT cygwin DOT com
Subject: Re: scp fails without a warning.
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From: Wiles, Dale L. (NE) <Dale DOT Wiles AT gd-ais DOT com>
Date: Wed, Oct 13, 2010 at 11:44:26AM -0400
> I updated cygwin yesterday (10/12/10) and rebooted my Windows XP (SP3) box.  Now, when I use scp from a Red Hat 5.5 box to my Windows box, scp quietly fails.
> 
> If I run (from Red Hat) "scp uname AT windowsbox:file .", I'm prompted for my password.  I type it in and then, a moment later, scp exits.  No data gets transferred and there is no error messages.  If I type in a garbage file name, I get the same results.  There is no error message.
> 
> If I run "sftp uname AT windowsbox:file ." I'm prompted for my password and the file transfers normally.  Unfortunately I need a recursive copy.
> 
> I can also ssh into my windows box with no problem.
> 
> /var/log/sshd.log exists, but is empty.
> 
I had something like this (ssh OK, scp fails silently) a few years ago, 
and it was related to this:

The OpenSSH FAQ has something to that affect in section 2.9

http://www.openssh.com/faq.html
<snip>
2.9 - sftp/scp fails at connection, but ssh is OK.

sftp and/or scp may fail at connection time if you have shell
initialization (.profile, .bashrc, .cshrc, etc) which produces output
for non-interactive sessions. This output confuses the sftp/scp client.
You can verify if your shell is doing this by executing:

ssh yourhost /usr/bin/true

If the above command produces any output, then you need to modify your
shell initialization.
<snip> 

which I found on google using 'scp fails silently .bashrc' - there's
lots more info there.

Hope this helps,
Jurriaan

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