Cisco Cisco Packet Data Gateway (PDG) Guida Alla Risoluzione Dei Problemi

Cisco

Cisco ASR 5000 Series Content Filtering Services Administration Guide ▄

OL-22959-01

C

ONTENTS

About this Guide ................................................................................................. v

Conventions Used .................................................................................................................................................... vi

Contacting Customer Support ............................................................................................................................... viii

Content Filtering Support Overview ................................................................. 9

Introduction ............................................................................................................................................................ 10

Supported Platforms and Products ......................................................................................................................... 11

Licenses .................................................................................................................................................................. 12

URL Blacklisting ............................................................................................................................................... 12

Category-based Content Filtering ...................................................................................................................... 12

URL Blacklisting Support ...................................................................................................................................... 13

URL Blacklisting Solution Components ........................................................................................................... 14

Web Element Manager (WEM) .................................................................................................................... 15

How URL Blacklisting Works ........................................................................................................................... 15

Blacklist Updates .......................................................................................................................................... 15

URL Blacklisting Action .............................................................................................................................. 16

Category-based Content Filtering Support ............................................................................................................. 17

Benefits of Category-based Content Filtering ................................................................................................... 17

ECS and Content Filtering Application ............................................................................................................. 18

Components of Category-based Content Filtering Solution .............................................................................. 19

Category-based Content Filtering Subsystem .................................................................................................... 20

Static Rating Categorization Database (SRDB) ............................................................................................ 20

Rater Package Model Files ........................................................................................................................... 21

Content Rating Rules Update Server ................................................................................................................. 21

Master Content Rating Database Server (MCRDBS) ........................................................................................ 22

ECS Storage System .......................................................................................................................................... 22

RADIUS Server and Policy Manager ................................................................................................................ 22

Web Element Manager (WEM) ......................................................................................................................... 23

inPilot ................................................................................................................................................................ 24

How Category-based Content Filtering Works .................................................................................................. 24

How URL Blacklisting and Category-based Content Filtering Work Concurrently .............................................. 28

Content Filtering Server Group Support................................................................................................................. 29

External Storage System......................................................................................................................................... 31

Minimum System Requirements and Recommendations ....................................................................................... 32

MCRDBS System Requirements ....................................................................................................................... 32

Hardware Requirements .................................................................................................................................... 32

Additional Requirements on Chassis ................................................................................................................. 33

Content Filtering Service Configuration ........................................................ 35

Configuring the System for Content Filtering Support .......................................................................................... 36

Initial Configuration .......................................................................................................................................... 36

Activating Processing Cards ......................................................................................................................... 36

Modifying the Local Context ........................................................................................................................ 37

Creating the VPN Context ............................................................................................................................ 38

URL Blacklisting Configuration ........................................................................................................................ 38

Enabling ACS Subsystem ............................................................................................................................. 39

Configuring URL Blacklisting Database Parameters .................................................................................... 39