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5.8 Content Filtering with an External Server
Your ZyWALL uses an application services company that provides outsourced content filtering. If
you enable the content filter, your ZyWALL will have access to an external database, which
contains dynamically updated ratings of millions of web sites. The content filtering lookup process
is described below.
5.9 A Procedure to Enable External Database Content
Filtering
The following is an example procedure for using external database content filtering.
Step 1.
Enable content filtering in the
Content Filtering General
screen.
Step 2.
In the
Content Filtering Categories
screen, register for external database content
filtering.
Step 3.
In the
Content Filtering Categories
screen, select
Enable External Database Content
Filtering
.
Step 4.
In the
Content Filtering Categories
screen, select
Block Matched Web Pages
.
Step 5.
In the
Content Filtering Categories
screen, select categories to block.
5.10 Configuring for Registering and Categories
To register for and configure category-based content filtering, click
CONTENT FILTER
, and then
the
Categories
tab. The screen appears as shown.
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Click
Register
to go to a web site where you can register for category-based content filtering (using
an external database). You can use a trial application or register your iCard’s PIN. Refer to the web
site’s on-line help for details.
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The web site displays a registration successful web page. It may take up to
another ten minutes for content filtering to be activated.
You can manage your registration status or view content filtering reports after you register this
device.
You may not be able to access the web site if you have enabled content filtering in the
Content
Filter General
screen and blocked access to web pages that use Java and/or cookies.
Do not close the Web Configurator’s window during the registration
process.
5.11 Configuring Customization
To customize the content filter list by adding or removing specific sites from the filter list on your
ZyWALL, click
CONTENT FILTER
, then the
Customization
tab. The screen appears as shown.
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5.12 VPN Overview
A VPN (Virtual Private Network) provides secure communications between sites without the
expense of leased site-to-site lines.
A secure VPN is a combination of tunneling, encryption,
authentication, access control and auditing technologies/services used to transport traffic over the
Internet or any insecure network that uses the TCP/IP protocol suite for communication.
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5.13 Summary Screen
The following figure provides an example of a VPN application.
Local and remote IP addresses must be static.
Click
VPN
to open the
Summary
screen. This is a read-only menu of your IPSec rules (tunnels).
Edit or create an IPSec rule by selecting an index number and then clicking
Edit
to configure the
associated submenus.
19216811.live