Chapter 14. Understanding Firewall Fundamentals
This chapter covers the following topics:
Firewall concepts and technologies
Using Network Address Translation
Creating and deploying firewalls
The word firewall commonly describes systems or devices that are placed between a trusted and an untrusted network. A detailed understanding of how firewalls and their related technologies work is extremely important for all network security professionals. This knowledge helps you to configure and manage the security of your networks accurately and effectively.
Complete separation means that no network connectivity exists, which does not serve anyone very well. By allowing specific traffic through the firewall, you can implement a balance of the required ...
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