In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.

In this learning activity you'll create a packet filter.

In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.

In this learning activity you'll examine how a data file is broken into packets and transmitted over the Internet.

In this learning activity, you’ll explore how routers use routing tables to move data packets from their origin to their destination.