IT Security (S2, 2014)

Firewalls

Lecture Material

Lecture Notes: View, Print, Source
Firewalls with iptables in Linux: View, Print
Firewall Examples: View, Print

Readings

Computer Security by Stallings and Brown: chapter 9
Network Security by Kaufman, Perlman and Speciner: chapter 23
Security Engineering by Anderson: chapter 21

Videos

This year: Part 1, Part 2, Part 3, Part 4, Part 5, Part 6
Last year: Part 1, Part 2
See also similar lecture in CSS322 last year

Notes

Hover over images to see the title; right-click and view the image to zoom in. Alternatively, download a zip archive with all the images or a printable PDF of the notes.

Fields of IP Header used in Packet Filtering Fields of TCP Header used in Packet Filtering Blocking Ping on a Host Firewall Blocking SSH on Router Firewall Blocking Access to Web Servers on Router Firewall Allowing Access to Web Server TCP Connection States Stateful Packet Inspection to Allow Access to Web Server Firewall Quiz Question 1 Firewall Quiz Question 2 Application and Circuit Level Proxies

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