Web Science/Part1: Foundations of the web/Transmission Control Protocol/Summary, further reading, homework/script

exercises:
 * 1) Use netstat to  display protocol statistics.
 * 2) Use netstat to  display all active connections and listening ports.
 * 3) Use Wireshark to  capture and analyze User Datagram Protocol (UDP) traffic.
 * 4) Use Wireshark to  capture and analyze Transmission Control Protocol (TCP) traffic.