On Jan 17 06:41, Brian Inglis via Cygwin wrote: > On 2025-01-17 05:51, Corinna Vinschen via Cygwin wrote: > > On Jan 17 11:59, Mario Emmenlauer via Cygwin wrote: > > > I am under the impression that there may be a misbehavior in more recent > > > Cygwin OpenSSH :-( > > > > > > I observe the same problem as Andy Wood was having, and found another > > > very recent identical report at https://serverfault.com/q/1168457/473559. > > > Their cases, as well as mine, seem to share, that OpenSSH can no longer > > > correctly authenticate as a user without having the plain text password > > > stored in the registry. > > > > > > In my case, this is exclusively limited to domain users. Local users > > > work correctly. I can see that at least one other report, the one at > > > Serverfault, is also for a domain user. Also, everything that is > > > reported at Serverfault applies basically identically to my case, i.e. > > > the connection being just dropped, and the only relevant message from > > > OpenSSH being "fatal: seteuid 4096: Function not implemented". > > > > I just tested this on my local W11 24H2 Enterprise installation with > > Cygwin 3.5.5 and OpenSSH 9.9p1 installed as service under the SYSTEM > > account, and it works fine for me in a Windows domain with one 2019 and > > one 2022 Domain Server. > > > > I tested with a user account in the administrators group as well as with > > a non-admin user account, and to both accounts I can login with pubkey > > authentication as expected. > > > > The error message "seteuid 4096: Function not implemented" is weird. > > The internal implementation only uses documented functions. > > > > Which Windows version are you running the service on exactly? > > > > Do you have any other entries in the server-side Windows Log, which may > > be connected, especially inside the Security log. Kerberos or so. > > > > Other than that, it might be prudent to run sshd in a SYSTEM shell > > under strace. > > Any chance the user is also running Windows sshd and tyhat has grabbed the > port?
Good point, worth checking... Corinna -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple
