By: DamianMyerscough

February 21, 2008 1:22 am

11,813 views

Forcing users to change their password

Problem When a new user is added to your system you have to setup a simple default password for them to login with, sometimes new users never change the default password thus allowing malicious users to crack the account very easily. Solution There are two possible solutions to this problem, the first solution is to […]

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By: DamianMyerscough

February 14, 2008 6:50 am

7,740 views

PAM (Pluggable Authentication Module) Tricks

PAM (Pluggable Authentication Module) Tricks In this article we are going to look at configuring some PAM (Pluggable Authentication Module) modules which will help tighten security on your system. In this article we will look at; setting up password policies, placing limits on certain resources i.e. (CPU, maximum file size, etc) and setting time […]

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By: ab

March 9, 2006 1:20 pm

2,381 views

Keeping Passwords Out of Viewable History

Problem In major *nix distributions (Linux, Unix, and Mac X+), previous commands are kept in the history for a period of time. This is a very helpful feature to speed up repeated tasks and to look back and see what has been done in case a step of a procedure was missed. However, some users […]

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