Introduction to Firewalls

Introduction to Firewalls

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raghothams

June 20, 2012
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Transcript

  1. Firewall

  2. Firewall? What is

  3. Firewall types 3

  4. Firewall types 3

  5. Firewall types 3

  6. Firewall types 3

  7. Firewall types 3

  8. Firewall types 3

  9. Packet Filter

  10. Packet Filter

  11. Packet Filter Check

  12. Packet Filter Check

  13. Packet Filter Check

  14. Packet Filter Check Source IP : Port

  15. Packet Filter Check Source IP : Port Destination IP :

    Port
  16. Packet Filter Check Source IP : Port Destination IP :

    Port TTL
  17. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service
  18. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service Located on Routers Switches Wireless Access Points  
  19. Packet Filter Check Source IP : Port Destination IP :

    Port TTL Destination Service Located on Routers Switches Wireless Access Points  
  20. Firewall types 3

  21. Application Layer

  22. Application Layer Process 1 Process 2 Process 3

  23. Application Layer Process 1 Process 2 Process 3

  24. Application Layer Process 1 Process 2 Process 3

  25. Application Layer Process 1 Process 2 Process 3

  26. Application Layer Process 1 Process 2 Process 3

  27. Firewall types 3

  28. Proxy

  29. Proxy Anonymity

  30. Proxy Anonymity Caching

  31. Proxy Anonymity Caching Blocking