SSH Agent service will automatically try to use your private key to authenticate on a remote host. Ssh means that you want to connect to a remote SSH server with the IP address 192.168.1.15 under the user1 account. To connect to a remote host using a native SSH client, use the following command: If you have not set a password (passphrase) for the private key, you will automatically connect to your remote Windows host. Now you can connect to your Windows SSH server without a password. Uncomment the line #StrictModes yes and change it to StrictModes no By default, this mode is enabled and prevents SSH key-based authentication if private and public keys are not properly protected. Notepad C:\ProgramData\ssh\sshd_config PubkeyAuthentication yesĪlso, you will have to disable the StrictModes option in the sshd_config configuration file. Open the sshd_config file with notepad and uncomment the line: In this example, the PubkeyAuthentication line is commented out, which means that this authentication method is disabled. id_ed25519.pub – public key (a similar RSA key is called id_rsa.pubĪfter the SSH keys are generated, you can add your private key to the SSH Agent service, which allows you to conveniently manage private keys and use them for authentication.id_ed25519 – private key (if you generated an RSA key, the file will be named id_rsa ).ssh directory in the profile of a current Windows user ( %USERPROFILE%\.ssh) and generate 2 files: The key fingerprint is: SHA256:xxxxxxxx key's randomart image is: Your public key has been saved in C:\Users\myuser/.ssh/id_ed25519.pub. Your identification has been saved in C:\Users\myuser/.ssh/id_ed25519. Generating public/private ed25519 key pair.Įnter file in which to save the key (C:\Users\myuser/.ssh/id_ed25519):Įnter passphrase (empty for no passphrase): I did not enter a passphrase (not recommended). If you specify the password, you will have to enter it each time you use this key for SSH authentication. You will be prompted to provide a password to protect the private key.
Currently, it is recommended to use ED25519 instead of RSA keys. By default, the ssh-keygen tool generates RSA 2048 keys.
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