Search icon Close icon
Search icon
Subscription
0
Cart icon
Close icon
You have no products in your basket yet
Arrow left icon
All Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Newsletters
Free Learning
Arrow right icon
Mastering Linux Security and Hardening

You're reading from  Mastering Linux Security and Hardening

Product type Book
Published in Jan 2018
Publisher
ISBN-13 9781788620307
Pages 376 pages
Edition 1st Edition
Languages
Concepts
Author (1):
Donald A. Tevault Donald A. Tevault
Profile icon Donald A. Tevault
LinkedIn
Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
See other products by Donald A. Tevault

Table of Contents (15) Chapters

Title Page
Packt Upsell
Contributors
Preface
1. Running Linux in a Virtual Environment 2. Securing User Accounts 3. Securing Your Server with a Firewall 4. Encrypting and SSH Hardening 5. Mastering Discretionary Access Control 6. Access Control Lists and Shared Directory Management 7. Implementing Mandatory Access Control with SELinux and AppArmor 8. Scanning, Auditing, and Hardening 9. Vulnerability Scanning and Intrusion Detection 10. Security Tips and Tricks for the Busy Bee 1. Other Books You May Enjoy

Setting up security banners

Something that you really, really don't want is to have a login banner that says something to the effect, "Welcome to our network". I say that because quite a few years ago, I attended a mentored SANS course on incident handling. Our instructor told us the story about how a company took a suspected network intruder to court, only to get the case thrown out. The reason? The alleged intruder said, "Well, I saw the message that said 'Welcome to the network', so I thought that I really was welcome there." Yeah, supposedly, that was enough to get the case thrown out.

A few years later, I related that story to the students in one of my Linux admin classes. One student said, "That makes no sense. We all have welcome mats at our front doors, but that doesn't mean that burglars are welcome to come in." I have to confess that he had a good point, and I now have to wonder about the veracity of the story.

At any rate, just to be on the safe side, you do want to set up login...

lock icon The rest of the chapter is locked
arrow left Previous Chapter
Chapter 1 of 15
Next Chapter arrow right
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Sign up now
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Start free trial
Renews at $15.99/month. Cancel anytime}

Authors (1)

Profile icon Donald A. Tevault
LinkedIn
Donald A. Tevault - but you can call him Donnie - got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3-Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room. He's also a Linux security researcher for an IoT security company.
See other products by Donald A. Tevault

Other recommended products

Related to this chapter
Left arrow icon
Mastering Linux Security and Hardening
Mastering Linux Security and Hardening
Hardening a Linux system can make it much more difficult for an attacker to exploit it. This book will enable system administrators and network engineers to protect their Linux systems, and the sensitive data on those systems.
Feb 2020 22 hours 12 minutes
Practical Linux Security Cookbook
Practical Linux Security Cookbook
Linux is often treated as a highly secure operating system. However, the reality is that Linux too has its own share of security flaws. These flaws allow attackers to get into your system and modify or even destroy your important data. This book will work as a practical guide for administrators and help them configure a more secure machine.
Aug 2018 16 hours 4 minutes
Containerization with LXC
Containerization with LXC
Feb 2017 11 hours 44 minutes
SELinux System Administration
SELinux System Administration
Security-Enhanced Linux is a comprehensive security solution for Linux, supported by many Linux distributions. SELinux System Administration uses easy-to-follow examples to provide end-to-end coverage of everything from what SELinux is to effectively applying SELinux. You’ll also learn how to fine-tune SELinux, including gradual policy development.
Dec 2020 15 hours 16 minutes
CompTIA Linux+ Certification Guide
CompTIA Linux+ Certification Guide
CompTIA certified professionals have always had the upper hand in the information technology industry. This book will be your ideal guide to passing and achieving the Linux+ certification efficiently. Learn from industry experts and implement their practices to resolve complex IT issues.
Sep 2018 19 hours 40 minutes
Linux Administration Cookbook
Linux Administration Cookbook
This book will act as a quick recipe-based guide for anyone who wants to get few troubleshooting tips and security tips for Linux administration. By the end, you will be proficient in working with Linux for system administration tasks.
Dec 2018 27 hours 32 minutes
CentOS Quick Start Guide
CentOS Quick Start Guide
Linux kernel development has been the worlds largest collaborative project to date. With this practical guide, you will learn Linux through one of its most popular and stable distributions.
Dec 2018 10 hours 40 minutes
CentOS 8 Essentials
CentOS 8 Essentials
CentOS 8 Essentials provides an elaborate walk-through of CentOS 8, from its installation to securing its environment. For beginners, the book covers topics such as setting up and using the GNOME desktop environment, configuring email and web servers, and installing packages and system updates using App Streams. For experienced users, the book provides useful insights into topics such as remote desktop access, the Cockpit web interface, and file sharing using both Samba and NFS.
May 2020 8 hours 42 minutes
Learn Linux Shell Scripting - Fundamentals of Bash 4.4
Learn Linux Shell Scripting - Fundamentals of Bash 4.4
Shell scripting is one of the most common and powerful ways to automate tasks in a Linux / Unix environment. With the help of real-world exercises, you will learn to leave the GUI behind, automate tasks, and unlock the true power of Bash.
Dec 2018 15 hours 4 minutes
Mastering Linux Administration
Mastering Linux Administration
Linux is an omnipresent operating system running on many computing platforms, including personal computers, smartphones, servers, IoT devices, and cloud infrastructures. Mastering Linux Administration will help you become a proficient sysadmin and quickly adapt to the challenges of modern server and cloud administration technologies.
Jun 2021 25 hours 44 minutes
Hands-On Linux Administration on Azure
Hands-On Linux Administration on Azure
This book is an ideal resource for Linux administrators who want to work on Azure as well as Microsoft professionals looking to explore open source application development. Starting with an introduction to the Azure cloud, the book covers all the concepts you need to learn to efficiently manage Linux-based workloads in Azure, right from creating an Azure account to troubleshooting.
Feb 2020 16 hours 56 minutes
Hands-On Linux Administration on Azure
Hands-On Linux Administration on Azure
Considering the enormous adoption of Azure and Linux, Linux and Azure professionals want to make sure they know how to manage Linux workloads in an Azure environment. This book will help you deploy and manage Linux in Azure. You will be able to execute typical Linux tasks and understand automation and orchestration options in Azure.
Aug 2018 13 hours 40 minutes
Right arrow icon

Personalised recommendations for you

Based on your interests and search pattern
Left arrow icon
Attacking and Exploiting Modern Web Applications
Attacking and Exploiting Modern Web Applications
Attacking and Exploiting Modern Web Attacks will help you understand how to identify attack surfaces and detect vulnerabilities. This book takes a hands-on approach to implementation and associated methodologies and equips you with the knowledge and skills needed to effectively combat web attacks.
Aug 2023 11 hours 16 minutes
Automotive Cybersecurity Engineering Handbook
Automotive Cybersecurity Engineering Handbook
This Automotive Cybersecurity Engineering Handbook untangles the complexities of building secure automotive products and helps you to comply with cybersecurity standards. It provides practical tools, tips, and techniques coupled with real-world examples to enable you to create cyber-resilient automotive products with ease.
Oct 2023 13 hours 4 minutes
Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide
Official Google Cloud Certified Professional Cloud Security Engineer Exam Guide
This book will help you to design, develop, and operate security controls on Google Cloud as well as discover best practices for relevant security domains, including identity and access management, network, and data.
Aug 2023 16 hours 32 minutes
Cloud Penetration Testing for Red Teamers
Cloud Penetration Testing for Red Teamers
The advent of cloud networks and the AWS, Azure, and GCP platforms has revolutionized how companies of all sizes in all industries do business online. This book will help you meet the emerging demand for pentesting as it guides you through the tools, techniques, and security measures used by pentesters and red teamers in the 2020s and beyond.
Nov 2023 9 hours 56 minutes
ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
ISACA Certified in Risk and Information Systems Control (CRISC®) Exam Guide
ISACA Certified in Risk and Information Systems Control (CRISC®) Certification Guide is an enterprise IT risk management professional’s dream. With its in-depth approach and various self-assessment exercises, this book arms you with knowledge of every single aspect of the certification, and is a fantastic career companion after you’re certified.
Sep 2023 10 hours 32 minutes
Burp Suite Cookbook
Burp Suite Cookbook
Burp Suite is an immensely powerful and popular tool for web application security testing. This book provides a collection of recipes that address vulnerabilities in web applications and APIs. It offers guidance on how to configure Burp Suite, make the most of its tools, and explore into its extensions.
Oct 2023 15 hours 0 minutes
Building and Automating Penetration Testing Labs in the Cloud
Building and Automating Penetration Testing Labs in the Cloud
This hands-on guide will help you design and build a variety of penetration testing labs that mimic modern cloud environments running on AWS, Azure, and GCP. In addition to these, you will explore a number of practical strategies on how to manage the complexity, cost, and security risks involved when setting up vulnerable cloud lab environments.
Oct 2023 18 hours 44 minutes
Ethical Hacking Workshop
Ethical Hacking Workshop
As cyber-attacks grow and APT groups advance their skillset, you need to be able to protect your enterprise against cyber-attacks. In order to limit your attack surface, you need to ensure that you leverage the same skills and tools that an adversary may use to hack your environment and discover the security gaps. This book will teach you how to think like a hacker, use state-of-the-art hacking tools, and protect yourself and your organizaiton.
Oct 2023 7 hours 20 minutes
Windows Forensics Analyst Field Guide
Windows Forensics Analyst Field Guide
This book contains step-by-step processes to guide you in any investigation related to Windows OS. You’ll find out how to acquire evidence using multiple tools as well as examine and analyze the collected artifacts, while discovering multiple techniques used in real-world forensic incidents.
Oct 2023 10 hours 36 minutes
Implementing DevSecOps Practices
Implementing DevSecOps Practices
This book is a comprehensive, hands-on guide for individuals new to DevSecOps who want to implement DevSecOps practices successfully and efficiently. With its help, you’ll be able to shift security toward the left, enabling you to merge security into coding in no time.
Dec 2023 8 hours 36 minutes
Right arrow icon