ZyXEL Communications 2WG Network Card User Manual


 
Chapter 12 Content Filtering Screens
ZyWALL 2WG User’s Guide
273
Figure 172 SECURITY > CONTENT FILTER > General
The following table describes the labels in this screen.
Table 76 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 24.1 on page 471 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.