2 Factor Authentication for Linux: Difference between revisions

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'''Note''': You will need to edit the build and change the kernel from x686 and x386 to all
'''Note''': You will need to edit the build and change the kernel from x686 and x386 to all
= Raspbian =
The following enforces 2 factor authentication for SSH log-on's and not for the console.
<pre>
apt-get install libpam-google-authenticator
</pre>
== sshd_config ==
<pre>
vi /etc/ssh/sshd_config
</pre>
on line 48 change ChallengeResponseAuthentication to yes.
<pre>
ChallengeResponseAuthentication yes
</pre>
== sshd ==
<pre>
vi /etc/pam.d/sshd
</pre>
add the following line to line number 15
<pre>
auth      required    pam_google_authenticator.so
</pre>
You can add the line to line position number 9 if you prefer the auth code asked before the password.
[[Category : Linux]]
[[Category : Linux]]

Revision as of 07:32, 21 January 2014

Arch Linux

I'll do up a more detailed document but I followed these instruction
https://wiki.archlinux.org/index.php/Google_Authenticator

Install yaourt if not already installed.

pacman -S yaourt
yaourt -S google-authenticator-libpam-git

Note: You will need to edit the build and change the kernel from x686 and x386 to all

Raspbian

The following enforces 2 factor authentication for SSH log-on's and not for the console.

apt-get install libpam-google-authenticator

sshd_config

vi /etc/ssh/sshd_config

on line 48 change ChallengeResponseAuthentication to yes.

ChallengeResponseAuthentication yes

sshd

vi /etc/pam.d/sshd

add the following line to line number 15

auth       required     pam_google_authenticator.so

You can add the line to line position number 9 if you prefer the auth code asked before the password.