Security Topologies
Networks are different than single servers; networks exist as connections of multiple devices. A key characteristic of a network is its layout, or topology. A proper network topology takes security into consideration and assists in “building security” into the network. Security-related topologies include separating portions of the network by use and function, strategically designing in points to monitor for IDS systems, building in redundancy, and adding fault-tolerant aspects.
Security Zones
The first aspect of security is a layered defense. Just as a castle has a moat, an outside wall, an inside wall, and even a keep, so, too, does a modern secure network have different layers of protection. Different zones are designed ...
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