Managing Network Security
Simply put, you must take conscious steps to secure your network from hackers.
Chapter 24 discusses this topic in detail, but at the very least you must ensure that every point of contact between your computers and the Internet is secured by a firewall of some sort. The reason for this concern is that every computer exposed to the Internet will be subject to probing by unscrupulous people. These probes are automated, common and thorough, and they will find you and test you.
Simple File Sharing only makes this worse, because if your Internet connection is left unsecured, everyone on the Internet will have the same access to your network's shared files as you do. This is the reason that the Network Setup wizard is so adamant ...
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