Cisco Catalyst 2960 Software Configuration Manual page 147

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Configuring Web-Based Authentication

This chapter describes how to configure web-based authentication. It contains these sections:

For complete syntax and usage information for the switch commands used in this chapter, refer to the

command reference for this release.

Understanding Web-Based Authentication

Use the web-based authentication feature, known as web authentication proxy, to authenticate end users

on host systems that do not run the IEEE 802.1x supplicant.

You can configure web-based authentication on Layer 2 and Layer 3 interfaces.

When you initiate an HTTP session, web-based authentication intercepts ingress HTTP packets from the

host and sends an HTML login page to the users. The users enter their credentials, which the web-based

authentication feature sends to the authentication, authorization, and accounting (AAA) server for

authentication.

If authentication succeeds, web-based authentication sends a Login-Successful HTML page to the host

and applies the access policies returned by the AAA server.

If authentication fails, web-based authentication forwards a Login-Fail HTML page to the user,

prompting the user to retry the login. If the user exceeds the maximum number of attempts, web-based

authentication forwards a Login-Expired HTML page to the host, and the user is placed on a watch list

for a waiting period.

These sections describe the role of web-based authentication as part of AAA:

Understanding Web-Based Authentication, page 11-1

Configuring Web-Based Authentication, page 11-9

Displaying Web-Based Authentication Status, page 11-17

Device Roles, page 11-2

Host Detection, page 11-2

Session Creation, page 11-3

Authentication Process, page 11-3

Catalyst 2960 and 2960-S Switches Software Configuration Guide, Release 15.0(1)SE

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