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Mastering Defensive Security

You're reading from   Mastering Defensive Security Effective techniques to secure your Windows, Linux, IoT, and cloud infrastructure

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Product type Paperback
Published in Jan 2022
Publisher Packt
ISBN-13 9781800208162
Length 528 pages
Edition 1st Edition
Languages
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Author (1):
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Cesar Bravo Cesar Bravo
Author Profile Icon Cesar Bravo
Cesar Bravo
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Toc

Table of Contents (23) Chapters Close

Preface 1. Section 1: Mastering Defensive Security Concepts
2. Chapter 1: A Refresher on Defensive Security Concepts FREE CHAPTER 3. Chapter 2: Managing Threats, Vulnerabilities, and Risks 4. Chapter 3: Comprehending Policies, Procedures, Compliance, and Audits 5. Chapter 4: Patching Layer 8 6. Chapter 5: Cybersecurity Technologies and Tools 7. Section 2: Applying Defensive Security
8. Chapter 6: Securing Windows Infrastructures 9. Chapter 7: Hardening a Unix Server 10. Chapter 8: Enhancing Your Network Defensive Skills 11. Chapter 9: Deep Diving into Physical Security 12. Chapter 10: Applying IoT Security 13. Chapter 11: Secure Development and Deployment on the Cloud 14. Chapter 12: Mastering Web App Security 15. Section 3: Deep Dive into Defensive Security
16. Chapter 13: Vulnerability Assessment Tools 17. Chapter 14: Malware Analysis 18. Chapter 15: Leveraging Pentesting for Defensive Security 19. Chapter 16: Practicing Forensics 20. Chapter 17: Achieving Automation of Security Tools 21. Chapter 18: The Master's Compilation of Useful Resources 22. Other Books You May Enjoy

Securing Unix services

Services are applications that run in the background to perform or support essential Operating System (OS) tasks. There are also services associated with apps or services such as Apache, Structured Query Language (SQL), Hypertext Preprocessor (PHP), Remote Procedure Call (RPC), and so on.

A lot of services are loaded and enabled by default. However, every service enabled and running represents a potential vulnerability that needs to be considered and managed.

Therefore, to reduce those risks, let's review some of the best practices related to Unix services (plus some additional server setup considerations).

Defining the purpose of the server

A Linux server should be dedicated for a single purpose. For example, a print server, FTP, web server, and so on. This simple task will make hardening efforts easier.

In the past, having dedicated servers was costly and difficult to procure. However, with cloud technologies, having dedicated servers for...

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