1. Starting off

  • 1.1 Why do people have them ?
  • Network Security
  • Policy enforcement
  • 1.2 What does it do ?
  • 1.3 What doesn't it do ?
  • 1.4 What are you protecting ?
  • 1.5 Risk assessment
  • 1.6 Policy

    2. Building the firewall

  • 2.1 Where does it go ?
  • 2.2 What is it made of ?
  • 2.3 What protection does it afford ?
  • 2.4 Design
  • 2.5 Types:
  • Proxy
  • Packet filtering
  • Network Address Translation
  • Combinations
  • 2.6 The `DMZ'
  • What is it
  • What goes there
  • Network architecture
  • Cost vs. risk
  • 2.7 Firewalls in parallel
  • 2.8 Firewalls in serial
  • 2.9 Providing remote dialin access

    3. What sort of Firewall is the one you need ?

  • 3.1 Building one yourself
  • Available toolkits
    - do you need source ?
  • Using a free operating system
    - your time vs spending money
    - "warm fuzzies" (support, etc)
    - source code access

    4. Encryption as part of it

  • 4.1 Encrypting IP packets
  • Virtual Private Networks
    - SKIP/Photuris
  • 4.2 Distributing keys