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Date: Tue, 14 Oct 2025 10:04:05 +0300
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To: James Brown <sacfalcfan AT gmail DOT com>, cygwin AT cygwin DOT com
Subject: Re: Having issues with newly Cygwin version 3.0 and later..
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From: Andrey Repin via Cygwin <cygwin AT cygwin DOT com>
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Cc: Andrey Repin <anrdaemon AT yandex DOT ru>
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Greetings, James Brown!

> Thanks in advance for any help you can give.
> I have 32 bit versions of cygwin versions 1.7 and 2.4 running on windows
> 2016 servers.  They work fine whether it's username/password or sshkeys.
> The Linux servers using cygwin are able to reach our windows and DFS shares
> without issue.
> However, we have installed version 3.5.5 and 3.6 on a windows 2016 server
> (3.5) and a windows 2022 server (3.6).  When we use username and password
> in our ssh connections everything works fine.  However, when we use an
> sshkeys we get permission denied.

Have you read the https://cygwin.com/faq/faq.html#faq.using.ssh-pubkey-stops-working and https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-setuid-overview ?

> When we troubleshooted with Microsoft they stated the issue was the requests
> from the linux servers were sending zero credentials.
> We did find some information on cygwin's page about a change in how credentials were being handled starting with Version 3.
> Any idea how we can get those credentials over to a windows server using cygwin?


-- 
With best regards,
Andrey Repin
Tuesday, October 14, 2025 10:00:46

Sorry for my terrible english...


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