Implementing a certificate Login with putty under Windows

Because of the server security problem, to prevent others from brute force, but also to let the administrator exempt from recording multiple complex passwords, so the use of certificate login server is becoming more and more important.

2. Download Puttygen.exe first. Run click Generyte to generate a pair of secret keys

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   Copy the public key to a file named Authorized_keys

4. Save the private key, named *.PPK end

6. Create a regular user, useradd Erick

8. Su Erick | Mkdir-m. SSH

10. Put the file you just saved in the. SSH directory and configure the permissions chmod 600 *

12. Try to log in using the Putty secret key

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14. Select Certificate

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16. Select OK, click Open

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    You can see the logged-on user as Erick and log on with a certificate

9 for security, you can also set the Prohibit password login, only allow the secret key login

Vim/etc/ssh/ssh_config

To change the 50th line of gssapiauthentication Yes to No, restart the sshd service.

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Implementing a certificate Login with putty under Windows