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Practical Linux Security Cookbook

You're reading from Practical Linux Security Cookbook Secure your Linux environment from modern-day attacks with practical recipes

Product type Paperback

Published in Aug 2018

Publisher Packt

ISBN-13 9781789138399

Length 482 pages

Edition 2nd Edition

Tools

Linux

Concepts

Information Security

Author (1):

Tajinder Kalsi

View More author details

Table of Contents (15) Chapters

Preface

1. Linux Security Problem

2. Configuring a Secure and Optimized Kernel FREE CHAPTER

3. Local Filesystem Security

4. Local Authentication in Linux

5. Remote Authentication

6. Network Security

7. Security Tools

8. Linux Security Distros

9. Bash Vulnerability Patching

10. Security Monitoring and Logging

11. Understanding Linux Service Security

12. Scanning and Auditing Linux

13. Vulnerability Scanning and Intrusion Detection

14. Other Books You May Enjoy

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Shorewall

Want to set up a Linux system as a firewall for a small network? Shorewall helps us to configure an enterprise-level firewall via standard Shorewall tools. Shorewall is actually built on Iptables, but it makes it easier to configure things.

Getting ready

A Linux system with two network cards installed and working is needed for configuring Shorewall. One card will be used as an external network interface and the second will be used as an internal network interface. In our example, we are using eth0 as external and eth1 as internal. Configure both cards as per the network configuration. Make sure that you are able to ping another system on the local network and also something on the external network, the internet. On this system, we will be installing the Shorewall package and then configuring it as per our requirements.

How to do it...

We begin with installing Shorewall on our system using the apt-get command:

Once the installation is complete, try to start Shorewall. You will get an...

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Authors (1)

Kalsi

Kalsi

Tajinder Kalsi is an innovative professional with more than 9 years' progressive experience within the information security industry. He has a good amount of knowledge and experience in web application testing, vulnerability assessment, network penetration testing, and risk assessment. At present, he is working as an information security consultant. He started his career with Wipro as a technical associate, and later on he became an ISMS consultant-cum-technical evangelist. In his free time, he conducts seminars in colleges all across India on various topics, in more than 125 colleges; he has spoken to 10,000+ students. Tajinder is a certified ISO 27001:2013 Auditor. Tajinder authored Practical Linux Security Cookbook published by Packt Publishing. He has also reviewed the following books: Web Application Penetration Testing with Kali Linux and Mastering Kali Linux for Advanced Penetration Testing. He has also authored three video courses with Packt: Getting Started with Pentensing, Finding and Exploiting Hidden Vulnerabilities, and Pentesting Web Applications. He is best described as dedicated, devoted, and determined and a person who strongly believes in making his dreams come true. He defines himself as a tireless worker, who loves to laugh and make others laugh. He is also very friendly and level-headed. https://www.linkedin.com/in/tajinderkalsi/.

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