https://ece.uwaterloo.ca/~kvaniea/teaching/ece458/S2026/modules/networking/index.html Networking is how we reliably move data between computers over unstable and sometimes untrusted connections managed by strangers. Slides 2025 Slides 09 Networking Introduction Packets, IP addressing, OSI network model, ports, TCP 10 Networking Autonomous Systems, BGP Routing, VPNs 11 Networking Threat Models, Onion Routing, Denial of Service, Firewalls, NAT 12 Networking Educational Networking Games CS4G Network Simulator - an easy to understand and play simulator game that takes you through some of the most basic attacks in networking such as spoofing and a man in the middle attack Permission Impossible - a simple drag-and-drop game designed to teach firewall concepts and rules Blue Team - a more complicated firewall game that has you set firewall policies for multiple computers in a network, upper levels include some simple interaction with an intrusion detection system News A single point of failure triggered the Amazon outage affecting millions Amazon Web Service (AWS) went down for 15 hours due to a race condition and DNS. Additional Resources Clark, David. “The design philosophy of the DARPA Internet protocols.” Symposium proceedings on Communications architectures and protocols. 1988. Mockapetris, Paul, and Kevin J. Dunlap. “Development of the domain name system.” Symposium proceedings on Communications architectures and protocols. 1988. Hugo en-us kami.vaniea@uwaterloo.ca (Kami Vaniea) kami.vaniea@uwaterloo.ca (Kami Vaniea)