I.T. Security and Linux Administration:

May, 2011

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May 29, 2011  12:02 AM

HOTP Authentication via PAM

Eric Hansen Eric Hansen Profile: Eric Hansen

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

May 27, 2011  9:40 AM

SHA-512 Authentication

Eric Hansen Eric Hansen Profile: Eric Hansen

I've been trying to figure out for a little bit now how to do use the previously written Two Factor Authentication via SSH article for logging into my system directly. While it's probably the...


May 20, 2011  10:10 AM

Mass process kill using Bash, ps, and awk

Eric Hansen Eric Hansen Profile: Eric Hansen

I've been looking for something like this for a while, and have never seen it. I know it exists somewhere, as does most things these days, but I was too lazy to search through the archives of Google, and wrote a script myself. What this does is take each line of the output from ps, and sends a...


May 14, 2011  10:41 AM

Security Vulnerability in WHMCS 4.4.2

Eric Hansen Eric Hansen Profile: Eric Hansen

Recently I ventured into WHMCS, and decided that I did not like that the "company title" was a text instead of image.  With this in mind, I began experimenting with the "company title" setting in WHMCS' admin panel, and discovered that it's prone to a potential security flaw.


May 10, 2011  9:21 AM

Two-Factor Authentication via SSH

Eric Hansen Eric Hansen Profile: Eric Hansen
Security

Security and smart phones, a great combination when used in the right situations.  A while ago, Google released their two-factor authentication mechanism, as well as released software to run on iPhones, Blackberries, and of course Android.  Since they released this, I was wondering how long it'd...


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