Outline:

1. Networking basics
   • IP addresses
   • domain names
2. DNS
   • basic overview
   • concepts: RFC 1034
   • implementation: RFC 1035
   • comic: how DNS Works

Curious for more?

Read about the time Facebook disappeared from the internet and Facebook engineering’s summary.

Or, read about when all YouTube traffic was accidentally rerouted.

Or, read about a DNS misconfiguration that temporarily took out access to to several websites.

Reading assignment (to be completed by the next class):

• Assignment 8 – read it and fill out the form to get your own attack target!