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Configuring PAM

PAM has become an important part of the standard Linux login and account management subsystem. Systems administrators and security engineers alike should be knowledgeable of how to configure and enable various PAM modules. In this hands-on lab, we will work with the `pam_cracklib` and `pam_tally` modules and learn how they can be used to enhance system security.

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Path Info

Level
Clock icon Intermediate
Duration
Clock icon 30m
Published
Clock icon Nov 05, 2018

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Table of Contents

  1. Challenge

    Install `pam_cracklib`

    1. Install the necessary libraries for pam_cracklib.
    sudo apt-get install libpam-cracklib

  2. Challenge

    Configure `pam_cracklib`

    1. Edit /etc/pam.d/common-password.
    2. Change the existing pam_cracklib configuration to the following:
    password   requisite    pam_cracklib   retry=3 minlen=10

  3. Challenge

    Enable and Configure `pam_tally2`

    1. Edit /etc/pam.d/common-auth.
    2. Add a pam_tally configuration before the default block by adding the following text:
    auth     required       pam_tally2.so deny=2 unlock_time=600
Pluralsight Skills - Labs - Pluralsight
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Pluralsight Skills

Pluralsight Skills gives leaders confidence they have the skills needed to execute technology strategy. Technology teams can benchmark expertise across roles, speed up release cycles and build reliable, secure products. By leveraging our expert content, skill assessments and one-of-a-kind analytics, keep up with the pace of change, put the right people on the right projects and boost productivity. It's the most effective path to developing tech skills at scale.

What's a lab?

Hands-on Labs are real environments created by industry experts to help you learn. These environments help you gain knowledge and experience, practice without compromising your system, test without risk, destroy without fear, and let you learn from your mistakes. Hands-on Labs: practice your skills before delivering in the real world.

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