... Sockets and Services from a Security Point of ViewOverviewIn Chapter 3, you saw the first four layers of the OSI stack—those layers which transfer data,irrespective of what that data is, from one ... pastures. One day, a former employee of a customer of mine called up and asked if I could evaluate the security of his new employer's network. I said that of course I could—and that for this ... Internet results to the customer and,− −at that point, discuss the cost of a full security evaluation of their network, including hardware,software, internal, and external practices.I then...