I.T. Security and Linux Administration:



September 26, 2011  9:47 PM

Duo Security Review

Posted by: Eric Hansen
authentication, Duo Security, PAM, Server, SMS, VPN, Web

I've written about two-factor authentication methods before (namely using the Google Authenticator to log in to SSH).  While that method was fine, there's also a new product that's come out over the year or so, and is also local to my home.  It's called

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July 5, 2011  3:27 PM

MongoDB PAM Module

Posted by: Eric Hansen
authentication, MongoDB, PAM

I waited for a little bit to post this, but I recently ventured into the realm of writing PAM modules, and my first project has been finished. This is a MongoDB authentication module. In short, it allows you to authenticate users to a MongoDB database that the user has access to (for added...

June 28, 2011  9:48 PM

PAM module compiling

Posted by: Eric Hansen

This is going to be a short article, but one I think will be quite useful for people who venture into making their own PAM modules. This might not work for your system, but for mine (and others it seems too), it does. Note too though that I will most likely be writing a series of articles on...

May 29, 2011  12:02 AM

HOTP Authentication via PAM

Posted by: Eric Hansen
authentication, HOTP, PAM

For some reason, May has seemed to be authentication month for me.  I just finished writing an article about SHA-12 encryption for passwords,


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