The Internet Protocol (IP) is the principal communications protocol used for relaying datagrams (also known as network packets) across an internetwork using the Internet Protocol Suite responsible for routing packets across network boundaries. It is the primary protocol that establishes the Internet.
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... The Internet Protocol is vulnerable to a variety of attacks ... A thorough vulnerability assessment, along with proposed mitigations, was published in 2008, and is currently being pursued within the IETF ...