On Sep  5 21:03, Zdzislaw Meglicki wrote:
> Greetings,
> 
> I have installed Cygwin on a Windows 8.1 Enterprise workstation. 
> It is a most recent full download of the whole Cygwin suite (within
> a week or so). Here are the relevant numbers:
> Windows 8.1 Enterprise Ver 6.3 Build 9600 

OpenSSH 7.0 (and thus the current 7.1) deprecated a couple of old and
insecure ciphers.  Probably that's the reason.  Have a look at the
release announcement:

https://cygwin.com/ml/cygwin-announce/2015-08/msg00021.html


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat