IT Security (S2, 2015)

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

Last year:Part 1, Part 2, Part 3, Part 4, Part 5, Part 6

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. You can also download a printable PDF of the notes from last year.

Ping (ICMP) Message Sequence Diagram Rule to block ping to computer 12 Rule to block SSH to computer 11 Browsing (HTTP) Message Sequence Diagram Rule to block browsing to 3.3.3.0 Rules to Allow Web Traffic Sequence Diagram when Default Policy is DROP TCP Connection States SPI with SYN Received SPI with SYN ACK Received SPI with Connection Established SPI Example with Default Policy Applied SPI Example with SPI Entry 6 Applied Application and Circuit-level proxies

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