Here is a short ten minute video tutorial and howto directions. This is how to setup Yubikey authentication on Red Hat Fedora with PAM authentication. You can configure SSH to restrict access to your Linux box so that only Yubikeys you authorize can gain access. Therefore restricting access to anyone who does not.
# build libyubikey
wget http://yubico-c.googlecode.com/files/libyubikey-1.1.tar.gz
tar -zxf libyubikey-1.1.tar.gz
cd libyubikey-1.1
./configure
make
make install
cd ../# build pam yubikey
wget http://yubico-pam.googlecode.com/files/pam_yubico-1.8.tar.gz
tar -zxf pam_yubico-1.8.tar.gz
cd pam_yubico-1.8
./configure
make
make install
cp libs/pam_yubico.so /lib/security/# Setup keyfile
mkdir /root/.yubico/
vi /root/.yubico/authorized_yubikeys
root:{12char key}# SSHD Config
PasswordAuthentication yes
ChallengeResponseAuthentication yes
UsePAM yes# Pam module
vi /etc/pam.d/sshd
auth sufficient pam_yubico.so id=16 debug
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Is that the same or similar to set up SSH for Yubikey on Debian or other Linuxes?
Thanks
I’m working on a debian/ubuntu howto. Hope to finish that up soon. Most systems should be very similar.
-A
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