Cisco ASR 5000 series Product Overview page 722

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▀ Content Filtering Server Group Support

A 403 Denied message is the request should be blocked.

Depending on the response received, the system with ECS will either pass the request unmodified, or discard the

message, and respond to the subscriber with the appropriate redirection or block message.

Content Charging is performed by the ECS only after the request has been controlled by the application server. This

guarantees the appropriate interworking between the external application and content-based billing. In particular, this

guarantees that charging will be applied to the appropriate request in case of redirection, and that potential charging

based redirections (i.e. Advice of Charge, Top Up page, etc.) will not interfere with the decisions taken by the

application server.

The ACF performs the following functions:

Retrieval of subscriber policies based on the subscriber identity passed in the ICAP message.

Determining the appropriate action (permit, deny, redirect) to take for this type of content based on subscriber

Communication of the action (permit, deny, or redirect) decision for the URL back to the ECS subsystem.

For information on configuring the ICAP interface support for external ACF servers, refer to the ICAP Interface

Support chapter of the System Enhanced Feature Configuration Guide.

▄ Cisco ASR 5000 Series Product Overview

Content Filtering Support Overview