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Ross Bagurdes

Selecting specific traffic as it flows through a network is valuable to make networks function in a predictable way. This course will walk you through the operation, implementation, and troubleshooting of standard and extended access control lists.

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Selecting specific traffic as it flows through a network is valuable to make networks function in a predictable way. This course will walk you through the operation, implementation, and troubleshooting of standard and extended access control lists.

Access Control Lists (ACLs) are an important and useful tool on a data network. ACLs allow an administrator to select traffic and filter traffic as it flows through a network. In this course, Building, Configuring, and Troubleshooting ACLs, you'll first examine how standard and extended IPv4 access lists operate. Next, you'll learn how to implement each type of list on a router. Finally, you'll explore common errors and how to troubleshoot ACLs using Wireshark. By the end of this course, you'll be able to write your own access control lists to filter whatever traffic you want to either permit or deny on your networks.

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What's inside

Syllabus

Course Overview
Introduction to ACLs
Standard ACLs
Extended ACLs
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Check Your Knowledge: Wildcard Masks, Logging, and ACL Scenarios
Check Your Knowledge: Using Wireshark and Telnet to Test ACLs

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Suitable for network administrators responsible for configuring and troubleshooting network access
Teaches the fundamentals of ACLs, which are essential for IT professionals working in networking
Covers both standard and extended ACLs, providing a comprehensive understanding of these important network security tools
Instructed by Ross Bagurdes, an experienced networking expert, which adds credibility to the course
Provides hands-on exercises using Wireshark for troubleshooting ACLs, enhancing practical skills
Requires prior knowledge of networking concepts, which may not be suitable for beginners

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in Building, Configuring, and Troubleshooting ACLs with these activities:
Network Warrior: Everything You Need to Know That They Don't Teach You at College
Gain a comprehensive understanding of network security concepts and best practices.
Show steps
  • Read through the chapters on access control lists (ACLs).
  • Take notes on key concepts and examples.
  • Review and summarize the main takeaways.
Review the OSI model
Refamiliarize yourself with the OSI model, which is the foundation for understanding how networks operate.
Browse courses on OSI Model
Show steps
  • Draw a diagram of the OSI model.
  • Define each layer of the model and its function.
  • Identify the relationship between the layers.
Compilation of ACL resources
Collect and organize resources related to ACLs, providing a valuable reference for future learning.
Show steps
  • Search for articles, tutorials, and documentation on ACLs.
  • Identify reputable sources, such as official vendor documentation or industry experts.
  • Categorize the resources based on topic or difficulty level.
  • Create a central location to store and access the compiled resources.
Five other activities
Expand to see all activities and additional details
Show all eight activities
Create a simple ACL using a router simulator
Gain practical experience configuring ACLs by following a guided tutorial using a router simulator.
Browse courses on Access Control Lists
Show steps
  • Choose a router simulator, such as GNS3 or Cisco Packet Tracer.
  • Configure a basic network topology with a router and hosts.
  • Follow the tutorial steps to create a simple ACL.
  • Test the ACL using simulation tools.
Troubleshoot ACLs using Wireshark
Learn how to use Wireshark to analyze network traffic and identify issues with ACL configurations.
Browse courses on Access Control Lists
Show steps
  • Install and configure Wireshark.
  • Capture network traffic that interacts with the ACL.
  • Analyze the captured packets to identify any issues.
  • Suggest modifications to the ACL or network configuration to resolve the issues.
Analyze ACL configurations for common errors
Develop your ability to identify and correct common errors in ACL configurations.
Browse courses on Access Control Lists
Show steps
  • Review common ACL syntax and configuration guidelines.
  • Examine sample ACL configurations with intentional errors.
  • Identify the errors and suggest corrections.
  • Test the corrected configurations to verify their effectiveness.
Configure ACLs for different network scenarios
Reinforce your understanding of ACLs by applying them to various network scenarios and testing their effectiveness.
Browse courses on Access Control Lists
Show steps
  • Identify different network scenarios with specific security requirements.
  • Design and configure ACLs to meet the requirements of each scenario.
  • Implement the ACLs on a simulated or real network.
  • Test the ACLs using various techniques, such as ping, traceroute, or network monitoring tools.
  • Analyze the results and make adjustments to the ACLs as needed.
Design and implement an ACL policy for a given network scenario
Apply your knowledge of ACLs to create a comprehensive ACL policy that meets specific network security requirements.
Browse courses on Access Control Lists
Show steps
  • Gather requirements and analyze the network topology.
  • Design an ACL policy that meets the security requirements.
  • Implement the ACL policy on the router.
  • Test and validate the ACL policy.
  • Document the ACL policy and implementation.

Career center

Learners who complete Building, Configuring, and Troubleshooting ACLs will develop knowledge and skills that may be useful to these careers:
Network Administrator
A Network Administrator manages an organization's computer networks. This may include managing network security, including access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in network administration.
Information Security Analyst
An Information Security Analyst plans and implements security measures to protect an organization's information systems from unauthorized access, use, disclosure, disruption, modification, or destruction. This may include implementing access control lists (ACLs) to control access to sensitive information. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in information security.
Cloud Architect
A Cloud Architect designs and implements cloud computing solutions for organizations. This may include designing and implementing network security measures, such as access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in cloud architecture.
IT Manager
An IT Manager plans, implements, and manages an organization's information technology systems. This may include managing network security, including access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in IT management.
Network Engineer
A Network Engineer designs, implements, and maintains computer networks. Networks may include local area networks (LANs), wide area networks (WANs), and wireless networks. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in network engineering.
Security Analyst
A Security Analyst identifies, analyzes, and responds to security threats. This may include analyzing network traffic to identify malicious activity. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in security analysis.
Cybersecurity Analyst
A Cybersecurity Analyst identifies, analyzes, and responds to cybersecurity threats. This may include analyzing network traffic to identify malicious activity. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in cybersecurity.
Network Security Engineer
A Network Security Engineer plans, implements, and maintains network infrastructure to protect an organization's computer networks from unauthorized access, use, disclosure, disruption, modification, or destruction by enforcing access control policies established to protect network resources and information. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in network security.
Security Consultant
A Security Consultant provides advice and guidance to organizations on security matters. This may include advising on network security measures, such as access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in security consulting.
Network Architect
A Network Architect designs and implements network architectures for organizations. This may include designing and implementing network security measures, such as access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in network architecture.
Malware Analyst
A Malware Analyst analyzes malicious software, such as viruses and worms. This may include analyzing network traffic to identify malicious activity. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in malware analysis.
Ethical Hacker
An Ethical Hacker uses their knowledge of computer security to identify vulnerabilities in an organization's systems. This may include testing network security measures, such as access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in ethical hacking.
IT Security Manager
An IT Security Manager plans and implements security measures to protect an organization's information technology systems from unauthorized access, use, disclosure, disruption, modification, or destruction. This may include implementing access control lists (ACLs) to control access to sensitive information. This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in IT security management.
Security Auditor
A Security Auditor assesses the security of an organization's information systems. This may include reviewing network security measures, such as access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in security auditing.
Network Security Specialist
A Network Security Specialist plans, implements, and maintains network security measures to protect an organization's computer networks from unauthorized access, use, disclosure, disruption, modification, or destruction. This may include implementing access control lists (ACLs). This course on Building, Configuring, and Troubleshooting ACLs may be useful because it provides a foundation for understanding the role of ACLs in network security.

Reading list

We've selected 11 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 Building, Configuring, and Troubleshooting ACLs.
Provides a comprehensive overview of the CISSP exam. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about the CISSP exam.
Provides a comprehensive overview of the CCNA Security exam. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about the CCNA Security exam.
Provides a comprehensive overview of the CompTIA Security+ exam. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about the CompTIA Security+ exam.
Provides a hands-on approach to network security. It covers a wide range of topics, including network security assessment, intrusion detection, and incident response. It good choice for network administrators who want to learn more about how to protect their networks from attacks.
Provides a comprehensive overview of network security assessment. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about how to assess and improve the security of their networks.
Provides a comprehensive guide to security risk assessment. It covers a wide range of topics, including risk identification, analysis, and mitigation. It good choice for network administrators who want to learn more about how to assess and improve the security of their networks.
Provides a comprehensive overview of Wireshark. It covers a wide range of topics, including Wireshark's features, how to use Wireshark to analyze network traffic, and how to use Wireshark to troubleshoot network problems. It good choice for network administrators who want to learn more about how to use Wireshark to improve the security of their networks.
Provides a comprehensive overview of network security essentials. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about the fundamentals of network security.
Provides a comprehensive overview of data communications and networking. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for network administrators who want to learn more about the fundamentals of data communications and networking.
Provides a comprehensive overview of network security fundamentals. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for beginners who want to learn more about network security.
Provides a comprehensive overview of network security. It covers a wide range of topics, including network security threats, vulnerabilities, and countermeasures. It good choice for beginners who want to learn more about network security.

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