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Confirm that the ssh-agent service was started successfully: ssh-add -Lġ0. Confirm that ssh was upgraded to the latest version: ssh -Vĩ. Run the helper script install-sshd.ps1 (included with the OpenSSH files) to install the ssh-agent service.Ĩ. Overwrite the files in System32\OpenSSH with the latest OpenSSH files you downloaded.ĥ. You must end these processes before you can overwrite these files.Ĥ. Open Task Manager and end any active sshd.exe or ssh-agent.exe processes. Edit folder permissions for C:\Windows\System32\OpenSSH so you have access to overwrite the files in this folder:ģ. Windows comes with OpenSSH 8.1, which doesn't support hardware keys.So we need to upgrade the existing OpenSSH release.ġ. Prepare Client configuration(Windows10/11)įirstly, we will check the OpenSSH version by running the command ssh -V in cmd.

A Token2 FIDO Security key with PIN already set.

You take a security key, generate a special type of SSH key, add the public key to your server as usual, and you're done! Let's see how it works in real life. In this guide, we will show how to use Token2 Security keys for SSH connection. Generally speaking, prior to the release of OpenSSH 8.2, there were methods for using hardware keys with SSH, but in most of these solutions, it was necessary to use third-party software and sometimes also configure hardware keys in a special way. Detailed information is available on the official OpenSSH website.

Starting from OpenSSH 8.2 version added support for U2F/FIDO2 security keys. Today, Token2 security keys could help establish a secure connection by applying FIDO functions through SSH (Secure Shell), which is a common connection between client and server. Security keys significantly increase the security level of any solution. Using Token2 FIDO2 Security keys for OpenSSH