Overview
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How does the Web work? Under the hood of HTTP there's a whole stack of networking protocols.
Explore the underpinnings of the net with tools like traceroute, tcpdump, and nc.
Syllabus
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- From Ping to HTTP
- Begin using command-line tools to explore the network.,Ping to check hosts, and nc (netcat) for webservers.,Learn about port numbers and the layering of HTTP on top of TCP.
- Names and Addresses
- Learn about the Domain Name System (DNS).,Register your own domain name for your web server.,Learn more about the binary representation of IP addresses.
- Addressing and Networks
- Network blocks and interfaces.,Network address translation (NAT).,IPv6.
- Protocol Layers
- Use tcpdump to examine the packets that make up the requests and responses.,Explore three protocols: ping, DNS, and HTTP.,Learn more about how TCP sessions work.
- Big Networks
- Learn more about bandwidth, latency, filtering, and other key properties.
