CompTIA Security+ All-in-One Exam Guide (Exam SY0-301), 3rd Edition, 3rd Edition

Network Hardening

While considering the baseline security of systems, you must consider the role the network connection plays in the overall security profile. The tremendous growth of the Internet and the affordability of multiple PCs and Ethernet networking have resulted in almost every computer to be attached to some kind of network, and once computers are attached to a network, they are open to access from any other user on that network. Proper controls over network access must be established on computers by controlling the services that are running and the ports that are opened for network access. In addition to servers and workstations, however, network devices must also be examined: routers, switches, and modems, as well as various other ...