Addresses, interfaces and routes
An address belongs to an interface, the default route is where packets go when there is no better idea — and your cloud server has never seen its own public address.
22 minutesTechnical content last reviewed on 17 Sept 2026
This lesson is for signed-in learners
Create an account to subscribe and record your learning progress.
What this lesson builds
- Working out why a service cannot be reached
- Saying what an output proves, and what it leaves open
