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    Chapter 1. Cisco ASA Adaptive Security Appliance Overview

    Chapter 1. Cisco ASA Adaptive Security Appliance Overview

    This chapter covers the following topics:

    • Firewall Overview: This section provides an overview of protecting networks by establishing security domains and positioning firewalls to protect them.

    • Firewall Techniques: This section describes various firewall and network security methods.

    • Cisco ASA Features: This section covers the long list of security features that a Cisco ASA can provide.

    • Selecting a Cisco ASA Model: This section presents an overview and specifications of each ASA model so that the appropriate device can be selected.

    • Selecting ASA Licenses: Once an ASA model is selected to secure a network, it must be licensed to perform everything that is required. This section explains the variety of feature licenses and how to select them, based on the ASA model.

    The Cisco Adaptive Security Appliance (ASA) is a versatile device that is used to secure a network. This chapter explains the concepts behind firewalls and other security tools, as they apply to the Cisco ASA. In addition, this chapter covers how to select an ASA model, the appropriate ASA features, and the correct ASA licenses based on high-level design requirements.


      

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