# OpenSSH + 2 and 3 factor auth #
*Aug 30, 2014*

* [How To Protect SSH With Two-Factor Authentication](https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-two-factor-authentication): Setup google authentication + password login via openssh
* [Three-factor authentication with OpenSSH, Google Authenticator and Password](https://turquoiseliquorice.wordpress.com/2013/10/05/three-factor-authentication-with-openssh-google-authenticator-and-password/): Two factor authentication + pubkey authentication for openssh