![]() Get-ChildItem $env:ProgramData\ssh\ssh_host_*_key | ForEach-Object In PowerShell (run as Administrator), use: Replace %WINDIR%\System32 with %ProgramFiles%, if appropriate. In Windows command-prompt (run as Administrator), use:įor %f in ( %ProgramData%\ssh\ssh_host_*_key ) do %WINDIR%\System32\OpenSSH\ssh-keygen.exe -l -f "%f" typically C:\ProgramData\ssh\administrators_authorized_keys).īefore the first connection, find out the fingerprint of the server’s host key by using ssh-keygen.exe for each file. For these, the server uses a different location for the authorized keys file: %ALLUSERSPROFILE%\ssh\administrators_authorized_keys (i.e. Though, with the default Win32-OpenSSH configuration there is an exception set in sshd_config for accounts in Administrators group.The account that runs OpenSSH SSH Server service (typically SYSTEM or sshd) needs to have read access to the file. Set the ACL so that the respective Windows account is the owner of the folder and the file and is the only account that has a write access to them. ssh folder and the authorized_keys file, what matters are Windows ACL permissions, not simple *nix permissions. ssh folder (for the authorized_keys file) in your Windows account profile folder (typically in C:\Users\username\.ssh). Start the OpenSSH SSH Server service by clicking the Start the service link or Action > Start in the menu.įollow a generic guide for Setting up SSH public key authentication in *nix OpenSSH server, with the following difference:.In the Properties dialog, change Startup type to Automatic and confirm. ![]() If you want the server to start automatically when your machine is started: Go to Action > Properties (or just double-click the service).Go to Control Panel > System and Security > Administrative Tools and open Services.Start the service and/or configure automatic start:.or go to Windows Security > Firewall & network protection 1 > Advanced Settings > Inbound Rules and add a new rule for port 22.Replace C:\Windows\System32\OpenSSH\sshd.exe with the actual path to the sshd.exe ( C:\Program Files\OpenSSH\ssh.exe, had you followed the manual installation instructions above). New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH SSH Server' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22 -Program "C:\Windows\System32\OpenSSH\sshd.exe" Either run the following PowerShell command as the Administrator:.If not, proceed to create and enable the rule as follows. When installed as an optional feature, the firewall rule “OpenSSH SSH Server (sshd)” should have been created automatically.Allow incoming connections to SSH server in Windows Firewall:.When he isn't working on a computer or DIY project, he is most likely to be found camping, backpacking, or canoeing. He has designed crossovers for homemade speakers all the way from the basic design to the PCB. He regularly repairs and repurposes old computers and hardware for whatever new project is at hand. He enjoys DIY projects, especially if they involve technology. ![]() ![]() He also uses Proxmox to self-host a variety of services, including a Jellyfin Media Server, an Airsonic music server, a handful of game servers, NextCloud, and two Windows virtual machines. He has been running video game servers from home for more than 10 years using Windows, Ubuntu, or Raspberry Pi OS. Nick's love of tinkering with computers extends beyond work. In college, Nick made extensive use of Fortran while pursuing a physics degree. Before How-To Geek, he used Python and C++ as a freelance programmer. He has been using computers for 20 years - tinkering with everything from the UI to the Windows registry to device firmware. Nick Lewis is a staff writer for How-To Geek.
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