Summary

In this chapter, I covered the key elements of the network infrastructure and the various components involved in networking. Your infrastructure is the backbone and key to all the security capabilities of your network.

Your infrastructure includes the hardware and software necessary to run your network. The key elements used in security are routers and firewalls. Proper configuration is the key to providing services the way your network needs them. If your network security devices are improperly configured, you may be worse off than if you didn’t have them at all. It’s a dangerous situation when you think you’re secure but in actuality you aren’t.

Networks are becoming more complicated, and they’re being linked to other networks at an ...

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