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guide_windows_openssh_server 2020-06-25 guide_windows_openssh_server 2024-02-20 (current)
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====== Installing SFTP/SSH Server on Windows using OpenSSH ====== ====== Installing SFTP/SSH Server on Windows using OpenSSH ======
-Recently, [[https://devblogs.microsoft.com/powershell/openssh-for-windows-update/|Microsoft has released]] a port of [[https://github.com/PowerShell/Win32-OpenSSH|OpenSSH for Windows]]. You can use the package to set up an SFTP/SSH server on Windows.+Microsoft maintains a port of [[https://github.com/PowerShell/Win32-OpenSSH|OpenSSH for Windows]]. You can use the package to set up an SFTP/SSH server on Windows.
===== Installing SFTP/SSH Server ===== ===== Installing SFTP/SSH Server =====
-==== [[win10]] On Windows 10 version 1803 and newer ====+==== [[win10]] On Windows 11 and Windows 10 ====
-  * In //Settings// app, go to //Apps > Apps & features > Manage optional features//. +  * On Windows 11: &win11 
-  * Locate //"OpenSSH server"// feature, expand it, and select //Install//.+    * Go to //Settings > Apps > Optional features// and click on //View features//. 
 +    * Locate //"OpenSSH server"// feature, select it, click //Next//, and then click //Install//. 
 +  * On Windows 10 (version 1803 and newer): &win10 
 +    * Go to //Settings > Apps > Apps & features > Optional features// and click on //Add a feature//.  
 + ···* Locate //"OpenSSH server"// feature, expand it, and select //Install//.
Binaries are installed to ''%WINDIR%\System32\OpenSSH''. Configuration file (''sshd_config'') and host keys are installed to ''%ProgramData%\ssh'' (only after the server is started for the first time). Binaries are installed to ''%WINDIR%\System32\OpenSSH''. Configuration file (''sshd_config'') and host keys are installed to ''%ProgramData%\ssh'' (only after the server is started for the first time).
-You may still want to use the following manual installation, if you want to install a newer version of OpenSSH than the one built into Windows 10.+You may still want to use the following manual installation if you want to install a newer version of OpenSSH than the one built into Windows.
==== [[windows_older]] On earlier versions of Windows ==== ==== [[windows_older]] On earlier versions of Windows ====
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  * Allow incoming connections to %%SSH%% server in Windows Firewall:   * Allow incoming connections to %%SSH%% server in Windows Firewall:
    * When installed as an optional feature, the firewall rule //"OpenSSH SSH Server (sshd)"// should have been created automatically. 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. If not, proceed to create and enable the rule as follows.
-    * Either run the following PowerShell command as the Administrator: \\ <code powershell>New-NetFirewallRule -Name sshd -DisplayName 'OpenSSH SSH Server' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 22 -Program "C:\System32\OpenSSH\sshd.exe"</code> Replace ''C:\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). +    * Either run the following PowerShell command as the Administrator: \\ <code powershell>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"</code> 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). 
-    * or go to //Control Panel > System and Security &gt; Windows Firewall//((//Windows Defender Firewall// on Windows 10.))// > Advanced Settings > Inbound Rules// and add a new rule for port 22. &wincp+    * or go to //Windows Security > Firewall &amp; network protection//((//Control Panel > Windows Defender Firewall// (or //Windows Firewall//) on older versions of Windows.))// > Advanced Settings > Inbound Rules// and add a new rule for port 22. &wincp
  * Start the service and/or configure automatic start:   * Start the service and/or configure automatic start:
    * Go to //Control Panel > System and Security > Administrative Tools// and open //Services//. Locate //%%OpenSSH SSH Server%%// service. &wincp     * Go to //Control Panel > System and Security > Administrative Tools// and open //Services//. Locate //%%OpenSSH SSH Server%%// service. &wincp
-    * If you want the server to start automatically when your machine is started: Go to //Action > Properties//. 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). In the Properties dialog, change //Startup type// to //Automatic// and confirm. 
-    * Start the //%%OpenSSH SSH Server%%// service by clicking the //Start the service//.+    * Start the //%%OpenSSH SSH Server%%// service by clicking the //Start the service// link or //Action > Start// in the menu.
//These instructions are partially based on [[https://github.com/PowerShell/Win32-OpenSSH/wiki/Install-Win32-OpenSSH|the official deployment instructions]].// //These instructions are partially based on [[https://github.com/PowerShell/Win32-OpenSSH/wiki/Install-Win32-OpenSSH|the official deployment instructions]].//
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  * Create the ''.ssh'' folder (for the ''authorized_keys'' file) in your Windows account profile folder (typically in ''C:\Users\username\.ssh'').((Windows File Explorer does not allow you to create a folder starting with a dot directly. As a workaround, use ''.ssh.'', the trailing dot will allow you to bypass the restriction, but will not be included in the name.)) &winpath   * Create the ''.ssh'' folder (for the ''authorized_keys'' file) in your Windows account profile folder (typically in ''C:\Users\username\.ssh'').((Windows File Explorer does not allow you to create a folder starting with a dot directly. As a workaround, use ''.ssh.'', the trailing dot will allow you to bypass the restriction, but will not be included in the name.)) &winpath
-  * For permissions to ''.ssh'' folder and ''authorized_keys'' file, what matters are Windows ACL permissions, not simple *nix permissions. Set the %%ACL%% so that only a respective Windows account have a write access to the folder and the file (what is the default access level, if you create the folder and the file, while logged in using the respective account)+  * For permissions to the ''.ssh'' folder and the ''authorized_keys'' file, what matters are Windows ACL permissions, not simple *nix permissions. 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. The account that runs //OpenSSH %%SSH%% Server// service (typically ''SYSTEM'' or ''sshd'') needs to have read access to the file
-  * Though, with the default Win32-OpenSSH configuration there is an exception for accounts with Administrator privileges. For these, the server uses a different location for the authorized keys file: ''%ALLUSERSPROFILE%\ssh\administrators_authorized_keys'' (i.e. typically ''C:\ProgramData\ssh\administrators_authorized_keys''). &winpath+  * Though, with the default Win32-OpenSSH configuration there is an exception set in ''sshd_config'' for accounts in ''Administrators'' group. For these, the server uses a different location for the authorized keys file: ''%ALLUSERSPROFILE%\ssh\administrators_authorized_keys'' (i.e. typically ''C:\ProgramData\ssh\administrators_authorized_keys''). &winpath
===== [[connecting]] Connecting to the server ===== ===== [[connecting]] Connecting to the server =====
 +
==== Finding Host Key ==== ==== Finding Host Key ====
-Before the first connection, find out fingerprint of the server's host key by using  ''%%ssh-keygen.exe%%'' for each file.+Before the first connection, find out the fingerprint of the server's host key by using  ''%%ssh-keygen.exe%%'' for each file.
-In Windows command-prompt, use:+In Windows command-prompt (run as Administrator), use:
<code batch> <code batch>
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//Replace ''%WINDIR%\System32'' with ''%ProgramFiles%'', if appropriate.// //Replace ''%WINDIR%\System32'' with ''%ProgramFiles%'', if appropriate.//
-In PowerShell, use:+In PowerShell (run as Administrator), use:
<code powershell> <code powershell>
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</code> </code>
-==== Connecting ====+==== [[connecting2]] Connecting ====
Start WinSCP. [[ui_login|Login dialog]] will appear. On the dialog: Start WinSCP. [[ui_login|Login dialog]] will appear. On the dialog:
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  * On //New site node//, make sure the //%%SFTP%%// protocol is selected.   * On //New site node//, make sure the //%%SFTP%%// protocol is selected.
  * Enter your machine/server IP address (or a hostname) into the //Host name// box.   * Enter your machine/server IP address (or a hostname) into the //Host name// box.
-  * Enter your Windows account name to the //User name// box. It might have to be entered in the format ''user@domain'', if running on a domain.+  * Enter your Windows account name to the //User name// box. It might have to be entered in the format ''user@domain'' if running on a domain.
  * For a public key authentication:   * For a public key authentication:
    * Press the //Advanced// button to open [[ui_login_advanced|Advanced site settings dialog]] and go to //[[ui_login_authentication|SSH > Authentication page]]//.     * Press the //Advanced// button to open [[ui_login_advanced|Advanced site settings dialog]] and go to //[[ui_login_authentication|SSH > Authentication page]]//.
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  * For a password authentication:   * For a password authentication:
    * Enter your Windows account password to the //Password// box.     * Enter your Windows account password to the //Password// box.
-    * If you Windows account does not have a password, you cannot authenticate with the password authentication (i.e. with an empty password), you need to use the public key authentication.+    * If your Windows account does not have a password, you cannot authenticate with the password authentication (i.e. with an empty password), you need to use the public key authentication.
  * Save your site settings using the //Save// button.   * Save your site settings using the //Save// button.
  * Login using //Login// button.   * Login using //Login// button.
-  * [[ssh_verifying_the_host_key|Verify the host key]] by comparing fingerprint with those collected before (see above).+  * [[ssh_verifying_the_host_key|Verify the host key]] by comparing fingerprints with those collected before (see above).
-If you cannot authenticate to the server, and you are using Windows 10 //Developer mode//, make sure that your OpenSSH server does not conflict with an internal %%SSH%% server used by the //Developer mode//. You may need to turn off the //%%SSH%% Server Broker// and //%%SSH%% Server Proxy// Windows services. Or run your OpenSSH server on a different port than 22.+If you cannot authenticate to the server and use Windows 10 //Developer mode//, make sure that your OpenSSH server does not conflict with an internal %%SSH%% server used by the //Developer mode//. You may need to turn off the //%%SSH%% Server Broker// and //%%SSH%% Server Proxy// Windows services. Or run your OpenSSH server on a different port than 22.
===== Further reading ===== ===== Further reading =====

Last modified: by martin