On Mar 28 17:18, Brian Inglis wrote: > On 2019-03-28 15:36, Bill Stewart wrote: > > I am trying to understand the limitations when running sshd using the > > SYSTEM account. > > Is the following complete and correct? > > ========== > > OS_version* OS_bitness sshd_bitness Notes > > -------------------------------------------------- > > < 6.3 64-bit 32-bit Note 1 > > < 6.3 64-bit 64-bit Note 2 > > < 6.3 32-bit 32-bit Note 2 > >> = 6.3 64-bit 64-bit No problems > >> = 6.3 64-bit 32-bit No problems > >> = 6.3 32-bit 32-bit No problems > > * "< 6.3" = "older than Windows 8.1/Server 2012 R2"; ">= 6.3" = "at least > > Windows 8.1/Server 2012 R2" > > Note 1: sshd cannot authenticate local accounts, but it can authenticate > > domain accounts. > > Note 2: sshd can't authenticate local accounts after a reboot unless > > another logon happens first. > > Unfortunate implication of Note 1: 32-bit version of sshd running as SYSTEM > > account on OS < 6.3 on non-domain member computer cannot authenticate any > > accounts. > > cygstart /usr/share/doc/Cygwin/html/ntsec.html Or https://cygwin.com/cygwin-ug-net/ntsec.html AFAIK, the only problem left are OS versions 6.0 (Vista/2008) and 6.1 (7/2008R2), and only 32 bit Cygwin running under WOW64, *not* 32 bit Cygwin running on a 32 bit Windows. Corinna -- Corinna Vinschen Cygwin Maintainer