ssh troubles

[Marco Atzeri]

On 17.06.2020 20:46, Raman Gupta via Cygwin wrote:
> Hello all, for some reason I've started having troubles with cygwin sshd,
> despite having successfully used it for years. Not sure if some recent
> Windows updates broke it or something, but now I'm getting the infamous:
> 
> sshd: PID 1855: fatal: seteuid 1049703: No such device or address
> 
> I believe I've followed all the advice given on this list over the years
> regarding this error:
> 
> * installed cygwin 64-bit (this fixed it for a while, but now its broken
> again)
> * uninstalled the service, and reinstalled with ssh-host-config
> * verified all permissions on home, .ssh, and authorized_keys files are
> correct (and configuring in non-strict mode doesn't work either anyway)
> * running the service as Local System (as installed by recent versions of
> ssh-host-config)
> * updated to the latest openssh version available (this also fixed it for a
> while, but then it broke again)
> * removing any /etc/password or /etc/group files
> * removing any value for CYGWIN environment variable
> 
> $ cygcheck -c openssh
> Cygwin Package Information
> Package              Version        Status
> openssh              8.3p1-1        OK
> 
> What's very odd is that, recently, I seem to be able to get it to work with
> various approaches (see above), it works for a while, and then it borks
> again.
> 
> Any ideas?
> 
> Regards,
> Raman
> --

Corporate computer with continuous reset of corporate policy ?
I had such experience in the past.

please provide the cygcheck.out as ATTACHMENT
see https://cygwin.com/problems.html