DNS, IP Addresses & Ports - Rest APIs In Depth
Let's learn how DNS, IP Addresses and Ports work in the context of networking so we can better prepare for working with REST APIs.
We start by looking at the URL structure and how it allows us to request information from a particular resource on a network in a structured way.
Then, we look at the domain name system which translates domain names to ip addresses for the computer. We then use these ip addresses to lookup servers on the network or Internet. We also take a look at a tool called nslookup in our terminal.
To wrap up the video we look at network ports and reserved port numbers and how this might impact our applications. We also pull up Insomnia to make some requests to ip addresses to see that they work just as well as domain names!
Chapters:
00:00 Introduction
01:13 What happens to URLS?
03:18 What is a URL?
08:00 DNS - Domain Name System
11:14 The nslookup tool
13:12 IP Addresses
17:13 nslookup IPv6
20:32 Network Ports
22:40 Reserved Ports
24:10 Bringing it Together
25:40 Insomnia URLs and IPs
30:28 Next Steps
📦 Github Repository with the notes and exercise code+solutions: https://github.com/Nooder/rest-api-in...
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