Lab
A Cloud Guru

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

Intermediate

Duration

30m

Published

Nov 05, 2018

Challenge

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

Author

A Cloud Guru

The Cloud Content team comprises subject matter experts hyper focused on services offered by the leading cloud vendors (AWS, GCP, and Azure), as well as cloud-related technologies such as Linux and DevOps. The team is thrilled to share their knowledge to help you build modern tech solutions from the ground up, secure and optimize your environments, and so much more!

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.