2011/6/10 Nicolas Ross <rossnick-lists at cybercat.ca>: >> How to configure sshd to required both ssh public key and user >> password also? yes, stupid, but required on my setup.. > > If you want 2 factor authentication, you can add yubikeys. They are little > usb dongle that provides one-time-password. And the server-side for those is > open-source if you don't want to use their authentication servers. And they > are relatively cheap. > > We use these here on our border servers to increase security. is this easy to ingrate with openssh server on centos 5.x ? -- Eero