This chapter covers the following topics:

• User-Based (Cut-Through) Proxy Overview: This section defines this feature and provides an overview of the process on the Cisco ASA.

• AAA on the ASA: This section reviews the various roles that AAA can accommodate for the ASA.

• User-Based Proxy Preconfiguration Steps and Deployment Guidelines: This section provides expert guidance for deploying the cut-through proxy feature in enterprise environments.

• Direct HTTP Authentication with the Cisco ASA: This section explains why this option might be required in an enterprise environment, and details the required configuration.

• Direct Telnet Authentication: This section describes the option of direct Telnet authentication and its configuration.

• Configuration Steps of User-Based Proxy: This section provides an overview of the steps required to configure user-based proxy.

• Configuring User Authentication: This section details the configuration of the user authentication.

• Configuring Authentication Prompts and Timeouts: This section describes how to customize the authentication process using custom prompts and custom timeout values.

• Configuring User Authorization: This section details the configuration of user authorization.

• Configuring User Session Accounting: This section describes the configuration of user session accounting.

• Using Proxy for IP Telephony and Unified TelePresence: This section details the various Cisco Unified Communications proxy services that are possible on the Cisco ASA.