What Is JavaScript Used For?
September 30, 2024
Article
Recommended experience
Intermediate level
A basic understanding of networking concepts (e.g. IP addressing), and familiarity with network communication protocols (e.g. HTTP, DNS)
Recommended experience
Intermediate level
A basic understanding of networking concepts (e.g. IP addressing), and familiarity with network communication protocols (e.g. HTTP, DNS)
Understand Wireshark's interface and packet-capturing capabilities for real-time traffic monitoring.
Analyze network traffic to identify suspicious patterns and anomalies.
Add to your LinkedIn profile
February 2025
Only available on desktop
Master the fundamentals of network traffic analysis and web communication using Wireshark in this beginner-friendly guided project. Through hands-on activities, you’ll explore Wireshark’s interface, capture and filter network traffic, and analyze critical network protocols like HTTP and DNS. You’ll examine real-world packet captures to interpret HTTP requests and responses, measure DNS response times, and identify performance bottlenecks or security risks. By isolating specific traffic flows with filtering techniques, you’ll gain insights into network behavior and potential anomalies.
This project is ideal for aspiring network engineers, cybersecurity professionals, or IT enthusiasts looking to build a strong foundation in packet analysis. The recommended background for this project is a basic understanding of networking concepts, such as IP addressing, and familiarity with network communication protocols like HTTP and DNS. By the end of this project, you’ll have the skills to capture and analyze network traffic effectively, troubleshoot basic network issues, and detect unusual patterns that could indicate misconfigurations or security threats. These skills will prepare you to optimize network performance and contribute to a secure and well-monitored network environment.
In a video that plays in a split-screen with your work area, your instructor will walk you through these steps:
Task 1 - Exploring Wiresharkʼs Interface
Task 2 - Capturing, filtering and Saving Traffic
Task 3 - Analyze HTTP & Web Traffic
Practice Activity
Task 4 - Investigate DNS & Network Discovery
Task 5 - Analyze TCP/IP protocols & Performance
Cumulative Activity
A basic understanding of networking concepts (e.g. IP addressing), and familiarity with network communication protocols (e.g. HTTP, DNS)
The Coursera Project Network is a select group of instructors who have demonstrated expertise in specific tools or skills through their industry experience or academic backgrounds in the topics of their projects. If you're interested in becoming a project instructor and creating Guided Projects to help millions of learners around the world, please apply today at teach.coursera.org.
Skill-based, hands-on learning
Practice new skills by completing job-related tasks.
Expert guidance
Follow along with pre-recorded videos from experts using a unique side-by-side interface.
No downloads or installation required
Access the tools and resources you need in a pre-configured cloud workspace.
Available only on desktop
This Guided Project is designed for laptops or desktop computers with a reliable Internet connection, not mobile devices.
Unlimited access to 10,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Earn a degree from world-class universities - 100% online
Upskill your employees to excel in the digital economy
By purchasing a Guided Project, you'll get everything you need to complete the Guided Project including access to a cloud desktop workspace through your web browser that contains the files and software you need to get started, plus step-by-step video instruction from a subject matter expert.
Because your workspace contains a cloud desktop that is sized for a laptop or desktop computer, Guided Projects are not available on your mobile device.
Guided Project instructors are subject matter experts who have experience in the skill, tool or domain of their project and are passionate about sharing their knowledge to impact millions of learners around the world.
You can download and keep any of your created files from the Guided Project. To do so, you can use the “File Browser” feature while you are accessing your cloud desktop.
Guided Projects are not eligible for refunds. See our full refund policy.
Financial aid is not available for Guided Projects.
Auditing is not available for Guided Projects.
At the top of the page, you can press on the experience level for this Guided Project to view any knowledge prerequisites. For every level of Guided Project, your instructor will walk you through step-by-step.
Yes, everything you need to complete your Guided Project will be available in a cloud desktop that is available in your browser.
You'll learn by doing through completing tasks in a split-screen environment directly in your browser. On the left side of the screen, you'll complete the task in your workspace. On the right side of the screen, you'll watch an instructor walk you through the project, step-by-step.
These cookies are necessary for the website to function and cannot be switched off in our systems. They are usually only set in response to actions made by you which amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not then work.
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.
These cookies enable the website to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies then some or all of these services may not function properly.