On 2021-09-12 16:05, Henry S. Thompson via Cygwin wrote:
Running cygwin 3.2.0-1 on Windows 10 Pro 21H1
Since changing my login from local User to Windows Hello PIN, I can't
ssh in to my machine using a password: neither the PIN nor my old
password work:
1) If from my machine I do
ssh -o PreferredAuthentications=password localhost
or
ssh -o PreferredAuthentications=password [me]@[host]
or
ssh -o PreferredAuthentications=password U-[HOST]\\[me]@[host]
I get "permission denied".
2) If I try any of those from another machine, it hangs (but works
w/o the "-o PreferredAuthentications=password", i.e. using a
key). By 'hangs' I mean that having typed the PIN and Enter,
nothing happens, including no output if I include -v -v -v.
Weirder still, if I try using strace, communication happens and I
get "permission denied"
I have reinstalled openssh, removed the cygsshd service, re-run
ssh-host-config and restarted the service to no avail.
I only need password login to install new keys, and obviously there
are workarounds for that, but if there's just something I'm missing
I'd like to fix it.
Are there other things I need to worry about having switched to using
a PIN?
Checkout whatever you can find out from Microsoft about connecting to
Windows using Windows OpenSSH and Hello.
You may have to use SSH as intended:
add your host key to remote {~/.ssh,/etc/ssh}/known_hosts;
and your public key to remote ~/.ssh/authorized_keys{,2};
locally do the equivalent of eval `ssh-agent` and ssh-add ~/.ssh/id_...;
then use your client to connect.
--
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada
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