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Network Security, Troubleshooting, & Certification Prep

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Packt - Course Instructors

Packt - Course Instructors

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This course provides essential skills in network security, troubleshooting, and preparation for certification exams. You will gain a deep understanding of core networking services, security practices, common network attacks, and effective defense strategies. By the end, you'll be well-prepared to handle network issues and ensure secure operations in diverse network environments.

Starting with an introduction to network services like DNS, NTP, and PTP, the course guides you through essential network functionalities. You'll then explore key concepts in network security, focusing on encryption, IAM, and various authentication types. The course continues by detailing common network attacks, including DoS, VLAN hopping, ARP poisoning, and DNS spoofing, providing insights into preventing these threats.

You will also learn how to implement robust network defense strategies such as device hardening, NAC, key management, and honeypot techniques. Practical troubleshooting skills are a major focus, with lessons on resolving cable, interface, hardware, and wireless issues, alongside using powerful tools like iPerf and OS-level commands.

This course is perfect for aspiring network professionals and those preparing for certification exams like Network+. It is ideal for individuals seeking hands-on experience with network security, troubleshooting, and exam prep, with no advanced prior knowledge required.

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What's inside

Syllabus

Network Services

In this module, we will cover essential network services like DNS, NTP, and PTP, and explore how time synchronization and hostname resolution contribute to network stability and security.

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Career center

Learners who complete Network Security, Troubleshooting, & Certification Prep will develop knowledge and skills that may be useful to these careers:

Reading list

We've selected 46 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Network Security, Troubleshooting, & Certification Prep.

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Computer Network Time Synchronization

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Provides a comprehensive overview of the Network Time Protocol (NTP), including its history, design, and implementation. It is written by David L. Mills, the original designer of NTP, and is considered the definitive reference on the subject.

Computer Network Time Synchronization: The Network...

Computer Network Time Synchronization: The Network...

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Handbook of Applied Cryptography

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This comprehensive handbook offers a thorough reference on all aspects of cryptography. It covers topics such as encryption algorithms, protocols, and cryptanalysis.

Handbook of Applied Cryptography (Discrete...

Handbook of Applied Cryptography (Discrete...

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The Hidden Potential of DNS in Security

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Explores how DNS is leveraged in cyberattacks and how to use DNS for security purposes. It's highly relevant for those interested in network security and provides actionable guidance for security professionals.

The Hidden Potential of DNS In Security: Combating...

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Cryptography And Network Security, 4/E

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A more in-depth exploration than 'Network Security Essentials,' this book delves into the theory and practice of cryptography and network security. It covers a wide range of topics, from encryption algorithms to network security applications. comprehensive resource often used as a textbook for undergraduate and graduate-level courses.

Cryptography And Network Security: Principles And...

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Focuses specifically on DNS security, covering vulnerabilities, attack vectors, and defense strategies. It's a timely reference for network administrators and security professionals seeking to secure their DNS infrastructure.

DNS Security: Defending the Domain Name System

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Cybersecurity and Cyberwar

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Provides a multidisciplinary perspective on cyber warfare and covers its technical, legal, and policy aspects. It good resource for anyone who wants to understand the challenges and opportunities of cyber warfare in the 21st century.

Cybersecurity and Cyberwar: What Everyone Needs to...

Cybersecurity and Cyberwar: What Everyone Needs to...

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Security in Computing

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Provides a comprehensive overview of computer security and covers various aspects of computer security, including network security, operating system security, and application security. It good resource for students and professionals who want to learn about the latest computer security concepts and techniques.

Security in Computing

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Network Security Assessment

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Provides a detailed overview of network security assessment and covers its techniques, tools, and methodologies. It good resource for security professionals who want to learn about the latest network security assessment techniques and how to implement them in their organizations.

Network Security Assessment: Know Your Network

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Wireless Ad Hoc and Sensor Networks

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Provides a comprehensive overview of time synchronization for wireless sensor networks, including a discussion of NTP. It is written by leading experts in the field, and good choice for those who want to learn more about this topic.

Wireless Ad Hoc and Sensor Networks

Wireless Ad Hoc and Sensor Networks: Management,...

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Applied Network Security Monitoring

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Practical guide to building and operating a network security monitoring (NSM) capability. It covers data collection, detection techniques, and analysis. It's an essential resource for security analysts and anyone responsible for monitoring network traffic for malicious activity.

Applied Network Security Monitoring: Collection,...

Applied Network Security Monitoring: Collection,...

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A deep dive into DNSSEC, this book is for those who need to implement and manage DNS Security Extensions. It covers the complexities of DNSSEC and provides practical steps for deployment.

DNS and BIND (5th Edition)

(日本語) DNS & BIND : Help for system administrators

Dns E Bind - Um Guia Para Administradores De...

DNS and BIND: Help for System Administrators

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Penetration Testing

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Offers a practical introduction to penetration testing and ethical hacking. It guides readers through the process of identifying and exploiting vulnerabilities in networks and systems. It hands-on guide suitable for those interested in offensive security and understanding how attackers operate.

Penetration Testing: A Hands-On Introduction to...

Penetration Testing: A Hands-On Introduction to...

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Pro DNS and Bind 10

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An updated version of 'Pro DNS and BIND', this book covers the features and implementation of BIND 10. It's relevant for those working with the latest release of BIND.

Pro DNS and BIND 10

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Real-World Bug Hunting

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Based on real bug bounty reports, this book offers practical insights into finding vulnerabilities in web applications. It's a valuable resource for aspiring bug bounty hunters and those interested in learning about common web security flaws through real-world examples.

Real-World Bug Hunting: A Field Guide to Web Hacking

Real-World Bug Hunting: A Field Guide to Web Hacking

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The Hacker Playbook

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Provides a practical, step-by-step guide to penetration testing, covering various tools and techniques. It's a hands-on resource for those looking to develop their skills in ethical hacking and network penetration testing.

The Hacker Playbook 3: Practical Guide To...

The Hacker Playbook: Practical Guide To Penetration...

The Hacker Playbook 2: Practical Guide To...

The Hacker Playbook: Practical Guide To Penetration...

The Hacker Playbook 2: Practical Guide To...

The Hacker Playbook 3: Practical Guide To...

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Principles of Information Security

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Provides a comprehensive overview of information security risk management and covers its principles, practices, and technologies. It good resource for security professionals who want to learn about the latest risk management techniques and how to implement them in their organizations.

Principles of Information Security (MindTap Course...

Principles of Information Security

Principles of Information Security

Bundle: Principles of Information Security, Loose...

Principles of Information Security

Principles of Information Security (MindTap Course...

Mass Market Paperback

Principles of Information Security

Principles of Information Security, Loose-Leaf...

Principles of Information Security (Mindtap Course...

Principles of Information Security

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DNS Security Management

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Delves into the management aspects of DNS security, covering threats, vulnerabilities, and mitigation strategies from a managerial perspective. It's valuable for those in roles responsible for overseeing network security.

DNS Security Management

DNS Security Management

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DNS on Windows Server 2003

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Tailored for Windows environments, this book covers the implementation and management of DNS on Windows Server. It's highly relevant for system administrators working primarily with Microsoft infrastructure, as DNS is integral to Active Directory.

DNS on Windows Server 2003: Mastering the Domain...

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Applied Cryptography

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This practical guide offers a deep dive into real-world encryption applications. It covers topics such as block ciphers, symmetric-key algorithms, public-key cryptography, and digital signatures.

Applied Cryptography: Protocols, Algorithms and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms and...

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Data Communications and Networking

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Provides a comprehensive overview of data communications and networking. It covers topics such as network architectures, protocols, and security. It good choice for students and professionals who want to learn about the fundamentals of data communications and networking.

Data Communications and Networking

Data Communications and Networking with TCP/IP...

Data Communications and Networking (McGraw-Hill...

Data Communications and Networking

Data Communications and Networking by Behrouz A....

Loose Leaf for Data Communications and Networking...

Introduction to Data Communications and Networking

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Serious Cryptography

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Provides a practical introduction to modern encryption, focusing on the algorithms and techniques used in real-world applications. It strikes a balance between theoretical concepts and practical implementation, making it suitable for students and practitioners interested in the cryptographic foundations of network security.

Serious Cryptography, 2nd Edition: A Practical...

Serious Cryptography: A Practical Introduction to...

Serious Cryptography: A Practical Introduction to...

Serious Cryptography, 2nd Edition: A Practical...

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Computer Networks

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Provides a comprehensive overview of computer networks, covering topics such as network architecture, protocols, and applications. It good choice for students and professionals who want to learn about the fundamentals of networking.

Computer Networks: A Systems Approach (The Morgan...

Computer Networks: A Systems Approach (The Morgan...

Computer Networks: A Systems Approach, Fourth...

Computer Networks, Third Edition: A Systems...

Computer Networks: A Systems Approach, Second...

Computer Networks: A Systems Approach (Morgan...

Computer Networks ISE: A Systems Approach (The...

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Adversarial Machine Learning

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Provides a practical guide to troubleshooting network problems. It covers a wide range of tools and techniques that can be used to identify and resolve network issues.

Adversarial Machine Learning

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Computer Networking: A Top-Down Approach, Global...

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Provides a top-down approach to computer networking, starting with the application layer and working down to the physical layer. It good choice for students who want to learn about the big picture of networking.

Computer Networking: A Top-Down Approach, Global...

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Routing TCP/IP, Volume 1

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Provides a comprehensive overview of TCP/IP routing. It covers topics such as routing protocols, network design, and traffic engineering. It good choice for network engineers and administrators who want to learn about the fundamentals of TCP/IP routing.

Routing TCP/IP, Volume 1

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The TCP/IP Guide

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Provides a comprehensive overview of the TCP/IP protocol suite. It good choice for students and professionals who want to learn about the fundamentals of TCP/IP.

The TCP/IP Guide: A Comprehensive, Illustrated...

The TCP/IP Guide: A Comprehensive, Illustrated...

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Network Security Essentials

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Focuses on the practical aspects of network security, including encryption technologies and protocols. It provides a comprehensive overview of network security concepts and best practices.

Network Security Essentials: Applications and...

Network Security Essentials: Applications and...

Network Security Essentials: Applications and...

Network Security Essentials: Applications and...

Printed Access Code

Network Security Essentials: Applications and...

Printed Access Code

Network Security Essentials: Applications and...

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Guide to Wireless Network Security

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Provides a practical guide to network security and covers various aspects of network security, including network design, access control, and cryptography. It good resource for network administrators and security professionals who want to learn about the latest network security best practices.

Guide to Wireless Network Security

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Save

Provides practical solutions and examples for common DNS and BIND configuration tasks. It's a valuable resource for system administrators who need quick answers and step-by-step guidance for specific scenarios.

DNS and BIND (5th Edition)

(日本語) DNS & BIND : Help for system administrators

Dns E Bind - Um Guia Para Administradores De...

DNS and BIND: Help for System Administrators

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Applied Cryptography

Save

Considered a classic in the field, this book provides a detailed look at cryptographic protocols and algorithms. While some of the algorithms may be dated, the principles and many of the protocols remain relevant. It valuable reference for understanding the underlying cryptographic concepts used in network security.

Applied Cryptography: Protocols, Algorithms and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms, and...

Applied Cryptography: Protocols, Algorithms and...

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Cloud Security and Privacy

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Covers cloud security concepts, including encryption technologies and best practices for securing cloud services.

Cloud Security and Privacy: An Enterprise...

Cloud Security and Privacy: An Enterprise...

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Computer Networking

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While not solely focused on DNS, this widely-used textbook provides a strong foundation in computer networking concepts, including a detailed chapter on DNS. It's excellent for gaining a broad understanding of how DNS fits into the overall network architecture. is commonly used as a textbook in undergraduate university programs.

Computer Networking: A Top-Down Approach (5th...

Computer Networking: A Top-Down Approach (6th...

Computer Networking: A Top-Down Approach (4th...

Computer Networking: A Top-Down Approach Featuring...

Computer Networking: A Top-Down Approach, 6Th Edn

Computer Networking: A Top-Down Approach Featuring...

Computer Networking: A Top-Down Approach Featuring...

Computer Networking Complete Package (3rd...

by Keith W. Ross,by James F. Kurose Computer...

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DNS and BIND on IPv6

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Specifically addresses the implementation and configuration of DNS and BIND in IPv6 environments. It's a focused resource for those dealing with the transition to or management of IPv6 networks.

DNS and BIND on IPv6

DNS and BIND on IPv6

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Network Programming with Go Language

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Provides a comprehensive overview of network programming with Go. It covers topics such as sockets, HTTP, and JSON. It good choice for developers who want to learn how to write network programs in Go.

Network Programming with Go Language: Essential...

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Network Management

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Provides a comprehensive overview of network management. It covers topics such as network monitoring, performance analysis, and fault management. It good choice for students and professionals who want to learn about the fundamentals of network management.

Network Management: Principles and Practice, 2/e

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The Cuckoo's Egg

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A classic true story of early network intrusion detection, this book provides a captivating account of tracking a hacker through computer networks. While predating modern network security tools, it offers timeless lessons in vigilance, investigation, and the human element of security. It's an engaging read for anyone interested in the history of cybersecurity.

The Cuckoo's Egg: Tracking a Spy Through the Maze...

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Network Security Through Data Analysis

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Covers the fundamentals of network security and provides practical tips for protecting networks from attacks. It good choice for beginners who want to learn about the basics of network security.

Network Security Through Data Analysis: Building...

Unknown Binding

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Alternative DNS Servers

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Explores DNS servers other than BIND, offering insights into different implementations and their use cases. It's useful for those considering alternatives or working in environments with diverse DNS infrastructure.

Alternative DNS Servers: Choice and Deployment, and...

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Explores the dark side of technological advancement and its implications for security and privacy. While not a technical guide, it provides a thought-provoking look at emerging threats and the future of cybercrime, offering valuable context for understanding the evolving landscape of network security.

Future Crimes: Inside The Digital Underground and...

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The Concise Guide to DNS and BIND

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This guide offers a more concise overview of DNS and BIND compared to the comprehensive 'DNS and BIND' book. It can be a good starting point for those who need a quicker introduction to the topic.

Concise Guide to DNS and BIND, The

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Consistent Distributed Storage

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Provides a comprehensive overview of synchronization in distributed systems. It includes a chapter on NTP, which provides a good overview of the protocol.

Consistent Distributed Storage (Synthesis Lectures...

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Financial Analytics with R

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Provides a comprehensive overview of time synchronization and its applications. It includes a chapter on NTP, which provides a good overview of the protocol.

Financial Analytics with R: Building a Laptop...

Financial Analytics with R: Building a Laptop...

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Tells the story of the Enigma machine, one of the most important encryption devices in history. It fascinating read for anyone interested in the history of cryptography.

Enigma: The Battle for the Code

Enigma: The Battle For The Code

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Mastering Algorithms with C

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Provides a hands-on approach to learning encryption algorithms using the C programming language. It covers topics such as block ciphers, stream ciphers, and hash functions.

Mastering Algorithms with C: Useful Techniques from...

Mastering Algorithms with C: Useful Techniques from...

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Operating System Concepts Essentials, 2nd Edition

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Similar to networking textbooks, this book provides foundational knowledge in operating systems, which often includes how operating systems interact with DNS for name resolution. While not a primary DNS resource, it offers valuable context for understanding the client-side of DNS.

Operating System Concepts Essentials, 2nd Edition

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