2010 | OriginalPaper | Buchkapitel
Setting Up the Mac OS X Firewall
verfasst von : Charles Edge, William Barker, Beau Hunter, Gene Sullivan
Erschienen in: Enterprise Mac Security
Verlag: Apress
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Put simply, a firewall is a network traffic moderator. It uses a set of rules to determine what kind of traffic is allowed in and out of your computer or network. The term is a bit ambiguous, because there are many types of firewalls. In Chapter 10, we discussed the importance of using a firewall to act as a gateway into your network, denying and allowing network traffic on a network-wide basis between your computers and the outside world. This is what we refer to as a
hardware appliance firewall.