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CCNP Security FIREWALL 642-618 Quick Reference by Anthony Sequeira

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Section 3. ASA Access Control

Now that you have connectivity to the ASA and have configured basic networking settings on the ASA, you can start to look at making the ASA operate as a true firewall.

This section covers the services offered by the ASA such as Network Address Translation (NAT) and access control lists (ACL) that make up the main foundation of protection offered by the Cisco ASA.

Network Address Translation

Network Address Translation is a key concept and technology used by the ASA. The main purpose of NAT is to translate one IP address into another. It is commonly used to translate private IP addresses into publicly routable IP addresses for use over the Internet.

One of the main uses of NAT is at the perimeter of the corporate ...

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