Brief Introduction
As a web developer, it's handy to know a bit about the TCP/IP stack, IP addressing, DNS, and other protocols that underlie the Web technologies you use.Course Summary
Networking for Web Developers teaches you the fundamentals of how the web works and equips you with the necessary skills to build and maintain effective web applications. You'll learn how to optimize network performance, troubleshoot common issues and secure your web applications against common cyber threats.Key Learning Points
- Understand how the internet works and how data is transferred between servers and clients
- Optimize network performance to improve user experience
- Identify and troubleshoot common network issues and implement effective solutions
- Secure your web applications against common cyber threats
Related Topics for further study
Learning Outcomes
- Understand how the internet works and how data is transferred between servers and clients
- Optimize network performance to improve user experience
- Implement effective solutions to secure your web applications against common cyber threats
Prerequisites or good to have knowledge before taking this course
- Basic understanding of web development
- Familiarity with command-line interface
Course Difficulty Level
IntermediateCourse Format
- Self-paced
- Online
- Video lectures
- Hands-on exercises
Similar Courses
- Web Development
- Full Stack Web Developer
- Cybersecurity
Related Education Paths
- Udacity Nanodegree in Full Stack Web Development
- Udacity Nanodegree in Cybersecurity
- Udacity Nanodegree in Data Science
Notable People in This Field
- Troy Hunt
- Brian Krebs
- Bruce Schneier
Related Books
Description
You've used the Internet. Now find out more about how it works.Requirements
- You have written code that makes use of HTTP. As a beginning backend developer, you may have written code that accepts or performs HTTP requests. But you'd like to know more about what's going on "under the hood" when you use HTTP. You can use the Linux command line. To follow the material in this course, you'll need to enter commands into the shell and make sense of their output. You'll use command-line programs like ping and tcpdump to gather information about computers on the network. You have used the Internet. If you're looking at this page, you pass this requirement! This course does not assume that you are configuring routers or building firewalls in your spare time. It is really intended as an introduction. You have access to a Linux system to run commands. If you're taking this course as part of a Udacity Nanodegree program, you can use the Linux-based development environment that we have set up for you. Find out how to access it here. Many of the practical exercises in this course can be done using another Unix-like shell environment, but you may get different results for some exercises. See the Technology Requirements for using Udacity.
Knowledge
- Instructor videosLearn by doing exercisesTaught by industry professionals
Outline
- lesson 1 From Ping to HTTP Begin using command-line tools to explore the network. Ping to check hosts and nc (netcat) for webservers. Learn about port numbers and the layering of HTTP on top of TCP. lesson 2 Names and Addresses Learn about the Domain Name System (DNS). Register your own domain name for your web server. Learn more about the binary representation of IP addresses. lesson 3 Addressing and Networks Network blocks and interfaces. Network address translation (NAT). IPv6. lesson 4 Protocol Layers Use tcpdump to examine the packets that make up the requests and responses. Explore three protocols: ping DNS and HTTP. Learn more about how TCP sessions work. lesson 5 Big Networks Learn more about bandwidth latency filtering and other key properties.
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