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CompTIA® Security+™: Study Guide, Fifth Edition by Emmett Dulaney

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Securing Internet Connections

The Internet is perhaps the area of largest growth for networks. The technology started as a research project funded by the Department of Defense and has grown at an enormous rate. Within a few years, virtually every computer in the world is expected to be connected to the Internet. This situation creates a security nightmare and is one of the primary reasons the demand for professionals trained in information and computer security is expected to grow exponentially.

The following sections describe ports and sockets and then some of the more common protocols, including email, web, and FTP, that you should be familiar with for the exam.

Working with Ports and Sockets

As we’ve already discussed, the primary method of ...

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