CS473 - Computer Networks

Lessons:

• Introduction to network programming

  Basic system calls, file I/O, processes and pipes, signals and signal handlers

• Terms, OSI and Sockets

  Basic networking terms. The OSI model. Introduction to Unix domain sockets.

• IP: TCP & UDP, DNS, client & server

  Internet Protocol (IP) sockets, TCP vs UDP, DNS, a client and server example.

• Handling asynchronous I/O

  Asynchronous I/O with select and epoll

• Basics of encryption

  A very basic stream cipher and basics of SSL certificates.

• Packets

  Low level packet details for Ethernet / IP / TCP / UDP packets.

• Pseudo-terminals

  How to create a psuedo-terminal (for a ssh server.)

• The HTTP Protocol

  Writing apps for the HTTP protocol: Simple wget and basic web server.