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Analyzing Network Protocols with Wireshark

This hands-on course will teach you how to quickly understand and analyze core network protocols. Get out your copy of Wireshark, because you'll go deep into the critical underlying packets that support your business applications.

There are billions of packets flying through the network every minute. Which ones matter? Which ones hold the keys to troubleshooting network and application problems? In this course, Analyzing Network Protocols with Wireshark, you’ll gain the ability to capture, interpret, and dissect network problems at the packet level. First, you’ll explore core protocols and services, such as ARP, IPv4, and DHCP. Next, you’ll discover how the UDP and DNS protocols work. Finally, you’ll learn to analyze HTTPs and TLS based application traffic. When you’re finished with this course, you’ll have the skills and knowledge of packet analysis with Wireshark needed to isolate and resolve network problems.

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What's inside

Syllabus

Course Overview

Why Are Core Network Protocols so Important to Understand?

Using Wireshark to Analyze ARP

Using Wireshark to Analyze IPv4, IPv6 , and ICMP

Using Wireshark to Analyze Core Services – UDP, DHCP, and DNS

Using Wireshark to Analyze Core Applications - FTP, HTTPs, and SSL

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Know what's good

, what to watch for

, and possible dealbreakers

Teaches skills required to analyze and resolve network and application issues at the packet level using Wireshark

Covers core protocols and services like ARP, IPv4, and DHCP, and UDP, DNS

Suitable for those seeking to enhance their network troubleshooting capabilities

Might require learners to have some prior understanding of networking concepts

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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 Analyzing Network Protocols with Wireshark with these activities:

Read RFC 797 and RFC 798

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Learn about the core concepts of ARP and IPv4 to prepare for the course.

Browse courses on ARP

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Obtain RFC 797 and RFC 798 from the IETF website.
Read the documents thoroughly.
Make notes on key concepts, such as ARP request/reply and IPv4 addressing.
Review the notes before starting the course.

Analyze Packets in Wireshark

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Gain hands-on experience using Wireshark to analyze network packets.

Browse courses on Wireshark

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Install Wireshark on your computer.
Obtain a sample capture file (e.g., from Wireshark's website).
Open the capture file in Wireshark and navigate the interface.
Identify common network protocols (e.g., ARP, IPv4, UDP).
Filter and display specific packets based on criteria (e.g., source IP address).

Follow Wireshark Tutorials

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Supplement course material with guided tutorials to enhance understanding.

Browse courses on Wireshark

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Find online tutorials from reputable sources (e.g., Wireshark's user guide).
Choose tutorials that cover topics relevant to the course (e.g., protocol analysis, troubleshooting).
Follow the tutorials step-by-step and take notes.
Apply the knowledge gained from the tutorials in course assignments.

Three other activities

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Mentor Beginners in Network Analysis

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Solidify your understanding and help others gain a foundation in the subject.

Browse courses on Network Analysis

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Identify online forums or groups where beginners seek guidance.
Offer assistance and answer questions related to network analysis concepts.
Provide constructive feedback and support to others.
Share your knowledge and insights to foster a supportive learning community.

Analyze Network Traffic in Your Environment

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Apply skills learned in the course to analyze network traffic in a real-world environment.

Browse courses on Network Analysis

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Capture network traffic using Wireshark on a local network.
Identify and analyze network protocols and traffic patterns.
Troubleshoot network issues based on packet analysis.
Create a report summarizing your findings and recommendations.

Participate in Network Analysis Competitions

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Challenge your understanding and showcase your skills in competitive settings.

Browse courses on Network Analysis

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Research network analysis competitions (e.g., Capture the Flag, Wireshark Challenges).
Form a team or participate individually.
Analyze network traffic and solve challenges under time pressure.
Learn from the experience and improve your problem-solving abilities.

Career center

Learners who complete Analyzing Network Protocols with Wireshark will develop knowledge and skills that may be useful to these careers:

Network Analyst

A Network Analyst troubleshoots, installs, and maintains computer networks. This role works with the infrastructure that supports the internet, telecommunications, and intranets. This is a role that requires a deep understanding of how computer networks operate, as well as experience using specialized tools, such as the Wireshark software used in this Analyzing Network Protocols with Wireshark course. The skills you will develop in this course help build a foundation for success in this role.

See salaries and explore the career path for Network Analyst

Network Engineer

A Network Engineer designs, installs, and maintains computer networks. They analyze network traffic and make recommendations for improvements. This course will help you if you are interested in becoming a Network Engineer because it will help you develop the skills necessary to identify and resolve network issues.

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Computer Network Architect

A Computer Network Architect designs and implements computer networks. They work with the physical infrastructure of computer networks, as well as the software that runs on them.

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Cybersecurity Analyst

A Cybersecurity Analyst protects computer networks from unauthorized access, use, disclosure, disruption, modification, or destruction. The skills you will develop in this course may also help you in this role.

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Information Security Analyst

An Information Security Analyst plans and implements security measures to protect an organization's computer networks and systems.

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IT Auditor

An IT Auditor reviews an organization's computer systems and networks to ensure that they are operating in accordance with established policies and procedures.

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Network Administrator

A Network Administrator manages and maintains an organization's computer networks.

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Systems Administrator

A Systems Administrator manages and maintains an organization's computer systems.

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Database Administrator

A Database Administrator manages and maintains an organization's databases.

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Web Developer

A Web Developer designs and develops websites.

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Software Engineer

A Software Engineer designs, develops, and maintains software applications.

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Computer Programmer

A Computer Programmer writes and tests computer code.

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Technical Writer

A Technical Writer writes documentation for computer software and hardware.

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Computer Support Specialist

A Computer Support Specialist provides technical support to computer users.

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Data Analyst

A Data Analyst collects, analyzes, and interprets data to help organizations make informed decisions.

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Reading list

We've selected 14 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 Analyzing Network Protocols with Wireshark.

Wireshark Network Analysis

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Serves as an official study guide for the Wireshark Certified Network Analyst (WCNA) certification. It covers the fundamentals of network analysis and provides hands-on exercises using Wireshark.

Analyzing Network Protocols with Wireshark

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What's inside

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