Hello the list, Thanks for all the work and effort put into this. Since two days i cannot login anymore (password less) with ssh into my server
Server is : Microsoft Windows Server 2012 R2 Essentials / 6.3.9600 N/A version 9600 Cygwin was not up to date, but I have since updated it CYGWIN_NT-6.3 [MACHINE NAME] 3.0.3(0.338/5/3) 2019-03-09 19:12 x86_64 Cygwin I can login via password, it work and lets me in. But if i tried with my keys, I get in the event viewer : sshd: PID 3777: fatal: seteuid 1049076: No such device or address I tried googling around, reinstalled multiple times sshd, the user and the service with no luck so far. I was working for several years now. For now I have no clue, so i'm asking what did I do wrong ? Renaud ROLLES Below the output of the ssh-host-config, with start and try administrator@[MACHINE NAME] ~ $ ssh-host-config *** Info: Generating missing SSH host keys *** Query: Overwrite existing /etc/ssh_config file? (yes/no) yes *** Info: Creating default /etc/ssh_config file *** Query: Overwrite existing /etc/sshd_config file? (yes/no) yes *** Info: Creating default /etc/sshd_config file *** Info: StrictModes is set to 'yes' by default. *** Info: This is the recommended setting, but it requires that the POSIX *** Info: permissions of the user's home directory, the user's .ssh *** Info: directory, and the user's ssh key files are tight so that *** Info: only the user has write permissions. *** Info: On the other hand, StrictModes don't work well with default *** Info: Windows permissions of a home directory mounted with the *** Info: 'noacl' option, and they don't work at all if the home *** Info: directory is on a FAT or FAT32 partition. *** Query: Should StrictModes be used? (yes/no) yes *** Info: Updating /etc/sshd_config file *** Query: Do you want to install sshd as a service? *** Query: (Say "no" if it is already installed as a service) (yes/no) yes *** Query: Enter the value of CYGWIN for the daemon: [] ntsec *** Info: On Windows Server 2003, Windows Vista, and above, the *** Info: SYSTEM account cannot setuid to other users -- a capability *** Info: sshd requires. You need to have or to create a privileged *** Info: account. This script will help you do so. *** Info: It's not possible to use the LocalSystem account for services *** Info: that can change the user id without an explicit password *** Info: (such as passwordless logins [e.g. public key authentication] *** Info: via sshd) when having to create the user token from scratch. *** Info: For more information on this requirement, see *** Info: https://cygwin.com/cygwin-ug-net/ntsec.html#ntsec-nopasswd1 *** Info: If you want to enable that functionality, it's required to create *** Info: a new account with special privileges (unless such an account *** Info: already exists). This account is then used to run these special *** Info: servers. *** Info: Note that creating a new user requires that the current account *** Info: have Administrator privileges itself. *** Info: No privileged account could be found. *** Info: This script plans to use 'cyg_server'. *** Info: 'cyg_server' will only be used by registered services. *** Query: Do you want to use a different name? (yes/no) no *** Query: Create new privileged user account '[MACHINE NAME]\cyg_server' (Cygwin name: '[MACHINE NAME]+cyg_server')? (yes/no) yes *** Info: Please enter a password for new user [MACHINE NAME]+cyg_server. Please be sure *** Info: that this password matches the password rules given on your system. *** Info: Entering no password will exit the configuration. *** Query: Please enter the password: *** Query: Reenter: *** Info: User '[MACHINE NAME]+cyg_server' has been created with password 'UberSuperPassword1324'. *** Info: If you change the password, please remember also to change the *** Info: password for the installed services which use (or will soon use) *** Info: the '[MACHINE NAME]+cyg_server' account. *** Info: The sshd service has been installed under the '[MACHINE NAME]+cyg_server' *** Info: account. To start the service now, call `net start sshd' or *** Info: `cygrunsrv -S sshd'. Otherwise, it will start automatically *** Info: after the next reboot. *** Info: Host configuration finished. Have fun! administrator@[MACHINE NAME] ~ $ net start sshd Le service CYGWIN sshd d-marre. Le service CYGWIN sshd a d-marr-. administrator@[MACHINE NAME] ~ $ ssh administrator@[MACHINE NAME] Connection closed by fe80::8c27:9bb9:70e3:1a0c%12 port 22 -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple