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Linux for Networking Professionals

You're reading from   Linux for Networking Professionals Securely configure and operate Linux network services for the enterprise

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Product type Paperback
Published in Nov 2021
Publisher Packt
ISBN-13 9781800202399
Length 528 pages
Edition 1st Edition
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Author (1):
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Rob VandenBrink Rob VandenBrink
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Rob VandenBrink
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Table of Contents (20) Chapters Close

Preface 1. Section 1: Linux Basics
2. Chapter 1: Welcome to the Linux Family FREE CHAPTER 3. Chapter 2: Basic Linux Network Configuration and Operations – Working with Local Interfaces 4. Section 2: Linux as a Network Node and Troubleshooting Platform
5. Chapter 3: Using Linux and Linux Tools for Network Diagnostics 6. Chapter 4: The Linux Firewall 7. Chapter 5: Linux Security Standards with Real-Life Examples 8. Section 3: Linux Network Services
9. Chapter 6: DNS Services on Linux 10. Chapter 7: DHCP Services on Linux 11. Chapter 8: Certificate Services on Linux 12. Chapter 9: RADIUS Services for Linux 13. Chapter 10: Load Balancer Services for Linux 14. Chapter 11: Packet Capture and Analysis in Linux 15. Chapter 12: Network Monitoring Using Linux 16. Chapter 13: Intrusion Prevention Systems on Linux 17. Chapter 14: Honeypot Services on Linux 18. Assessments 19. Other Books You May Enjoy

Logging using Syslog

Logging is a key facet of managing any system, and central logging is almost universally recommended. Logging centrally allows you to combine the logs from several servers or services – for instance, your firewall, load balancer, and web server – into one file in chronological order. This can often speed up any troubleshooting or diagnosis as you see an even move from one platform to the next. From a security point of view, this is especially important in Incident Response (IR). In responding to an incident, you might see malware arrive in an email, then execute as a process, then move laterally (often called "east/west") to other workstation hosts, or move "north" toward your servers. Add to this that after regular (often hourly) updates, the current versions of your tools may very well be able to pick malware out of your logs that might have sailed by unnoticed yesterday.

Also, from a security point of view, logging to a central...

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