Chapter 6. Controlling Access Through the Firewall

Refer to the following sections for configuration information about these topics:

6-1: Routed and Transparent Firewall Modes—Discusses the two modes of firewall operation. Routed mode (the default) operates at Layer 3, while transparent mode operates at Layer 2. This section also covers the steps needed to configure transparent mode.

6-2: Address Translation—Presents the underlying Layer 3 address translation methods that occur during traffic inspection. This section covers the configuration steps needed to translate IP addresses from one firewall interface to another. Several different methods of address translation are possible, each of which is covered.

6-3: Controlling Access with Access ...

Get Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.