Introduction

Introduction to Network Services

Name Resolution

Why do we need DNS?

The Many Steps of Name Resolution

DNS and UDP

Name Resolution in Practice

Resource Record Types

Anatomy of a Domain Name

DNS Zones

Dynamic Host Configuration Protocol

Overview of DHCP

DHCP in Action

Network Address Translation

Basics of NAT

NAT and the Transport Layer

Supplemental Reading for IPv4 Address Exhaustion

VPNs and Proxies

VPN

Proxy Services