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From: Bill Stewart <bstewart AT iname DOT com>
Date: Thu, 17 Dec 2020 10:49:48 -0700
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Subject: Re: Cygwin sshd broken by seemingly trivial network change
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On Thu, Dec 17, 2020 at 10:44 AM Charles Russell wrote:

> The last line was a giveaway.  The problem is with the Windows firewall.
> However, I have found no remedy apart from totally disabling the
> firewall. The old settings no longer work: sshd is enabled for both
> private and public networks, but the firewall is still blocking access.

If you ever got a GUI pop-up in Windows requesting access and you
canceled the dialog, I have noticed that Windows will add a "deny"
rule to the firewall.

Make sure to look carefully through all of the firewall rules and
check whether there is a rule blocking that executable or port.

Just something to check.

Bill
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