1. Transmission Control Protocol
    Desc: A good read on Windows hidden files
    Credit: The Riddler

  2. TCP/IP
    Desc: An excellent overview of the TCP/IP protocol suite and its core protocols.
    Credit: www.protocols.com/pbook/tcpip.htm

  3. Who Put the "IP" in "TCP/IP"?
    Desc: Explains the basics of the IP core protocol in the TCP/IP protocol suite.
    Credit: 404