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The Internet consists of loosely interconnected networks of computers located
around the world. Computers communicate with each other by exchanging packets
according to various protocols. Computers wishing to participate on the Internet
need to follow the protocols used by other members of the Internet. The lowest
level common protocol used on the Internet is named “Internet Protocol”, often
refered to as IP [82]. The addressing mechanism used by IP is similar to phone
numbers. All entities that communicate on the Internet must have an IP address....
Nội dung trích xuất từ tài liệu:
The 60 Minute Network Security Guide (First Steps Towards a Secure Network Environment)
