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The OSI Model

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  • OSI -- Securing the stack

    Secure your network with our OSI model reference that links to all the tips in our "OSI -- securing the stack" series by security expert and author Michael Gregg. The series is based on his book, "Hack the Stack."  Tip series

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    Extending OSI to Network Security covers topics such as common stack attacks, mapping the OSI model to the TCP/IP model, and talks about the current state of IT security. The goal of this chapter is to take the well-known Open Systems Interconnect (...  Chapter Download

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  • Understanding Layer 2, 3, and 4 protocols

    This chapter excerpt explains the layers of the OSI model, switching, TCP, UDP, and VRRP.  Reprint

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