Remote Access and Security-Minded Thinking

Although Chapter 28, “Implementing Server Security and Advanced Network Configuration,” goes into security details in considerably more depth, it's a good idea to start thinking about security issues now. In this chapter, you're going to configure your machine so that you can connect to it from other machines. If you can connect to it, so can anyone else, and it's time to start thinking about security. Here are some common sense guidelines that you can use when thinking about your machine's security:

  • Regularly apply updates to the operating system. It is common for the Unix vendors to fix security problems and make the fixes available as downloadable updates, usually called patches.

  • Do not turn on any ...

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