Do You Really Need FireWall-1?
Whether or not you really need FireWall-1 might seem like a strange question to ask in a book about FireWall-1. One of the important points I make in this book is that FireWall-1 is simply a tool used to enforce a security policy. In some cases, using this tool may be overkill. In other cases, this tool is just one of many that are used.
Let's look at a one- or two-person site. In this case, whether or not to use a firewall depends on what the network connection is and what needs to be protected. If the connection is an analog dial-up connection to the Internet that does not stay up a majority of the time, a firewall may not be entirely necessary. If the connection is something more permanent, like a leased line, ...
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