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Chapter 10. Understanding Your PC Operat... > Other Tips for Your Home PC

Other Tips for Your Home PC

Both Windows- and Linux-based operating systems come with a whole host of functions that we will not try to cover in detail in this book. Numerous books are available on every detail of the operating system. You can take a few steps in addition to those already mentioned to will help in your operating system security.

Server Software

Never run unnecessary servers on your machines. A server is a program that will allow others to access data on your machine. Examples are Web servers or FTP servers. If you run a Web site on your home computer through the functionality provided by your ISP, you allow people to interact directly with your computer. Most of these servers allow you to restrict access to certain directories. However, some servers are easily configured incorrectly. Others have bugs that can be exploited to bypass the access restrictions. If you have to run a server, make sure you read the manual and configure it properly. As an example, if you install Windows 2000 Server, it also automatically installs the IIS Web server, an FTP server, and an SMTP server (mail function). You must go into Internet Information Services Manager to turn these services off manually if you do not really want them running (see Figure 10.38). You can get to the Internet Information Services Manager by selecting the Administrative Tools option from the Control Panel.


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