Cisco Cisco Packet Data Gateway (PDG) Documentation Roadmaps
Content Filtering Support Overview
URL Blacklisting Support ▀
Cisco ASR 5000 Series Product Overview ▄
OL-22938-01
Web Element Manager (WEM)
Central Decision Point (CF-CDP)
Web Element Manager (WEM)
The WEM is a server-based application enabling complete element management of the system. The UNIX-based server
application works with the network elements within the system using the Common Object Request Broker Architecture
(CORBA) standard.
application works with the network elements within the system using the Common Object Request Broker Architecture
(CORBA) standard.
Important:
For information on WEM administration, refer to the Web Element Manager Installation and
Administration Guide.
The WEM server must be set up with access to the following networks:
Internet—to communicate with the source of the blacklist file (NCMEC/other)
CF-CDP Network—to communicate with CF-CDPs
The WEM application includes the following features:
Single point of management for a large operator deployment
Service configuration and monitoring
CF-CDPs configuration and management
Alarm/trap management for the WEM server
URL Blacklisting database management functions:
Downloads the URL Blacklist database (cumulative.csv) from the specified source at configured
schedule
Converts the URL Blacklist database (cumulative.csv) file to Starent Master Database (SFMDB) file
Computes OPTBLDB suitable for updating the system
Distributes OPTBLDB/OPTBLDB-INC files to CF-CDPs automatically at configured interval
Central Decision Point (CF-CDP)
The URL Blacklisting solution includes the CF-CDP consisting of a geographically-redundant server hosting the CDP
application that may be the same as the External Storage Server in ESS.
application that may be the same as the External Storage Server in ESS.
In the URL Blacklisting solution, the CF-CDP serves as a repository and distribution node for the Blacklisting database
and its updates (OPTCMBLDB). There are no incremental updates in the URL Blacklisting feature as a new Full
database will be supplied by WEM daily.
and its updates (OPTCMBLDB). There are no incremental updates in the URL Blacklisting feature as a new Full
database will be supplied by WEM daily.