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Figure 151 security > content filter > general, Table 56 security > content filter > general – ZyXEL Communications ZyWALL 2 Plus User Manual

Page 225

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Chapter 12 Content Filtering Screens

ZyWALL 2 Plus User’s Guide

225

Figure 151 SECURITY > CONTENT FILTER > General

The following table describes the labels in this screen.

Table 56 SECURITY > CONTENT FILTER > General

LABEL

DESCRIPTION

General Setup

Enable Content Filter

Select this check box to enable the content filter. Content filtering works on

HTTP traffic that is using TCP ports 80, 119, 3128 or 8080.
See

Section 23.1 on page 409

if you need to use content filtering for traffic

on custom ports.

Enable Content Filter

for VPN traffic

Select this check box to have the content filter apply to traffic that the

ZyWALL sends out through a VPN tunnel or receives through a VPN tunnel.

The ZyWALL applies the content filter to the traffic before encrypting it or

after decrypting it.

Note: The ZyWALL can apply content filtering on the traffic

going to or from the ZyWALL’s VPN tunnels. It does not
apply to other VPN traffic for which the ZyWALL is not
one of the gateways (VPN pass-through traffic).

External Database

Service General Setup

The external database content filtering service has the ZyWALL check an

external database to find to which category a requested web page belongs.

Enable External

Database Content

Filtering

Turn on external database content filtering to have the ZyWALL block or

forward access to web pages depending on the ZyWALL’s external

database content filtering settings.