
Filtering Web Sites using a Custom List 71
Figure 30 Custom List Window
You can add or remove web sites from the Custom List. For example, if a
local radio station runs a contest on its Web site that is disrupting normal
classroom Internet use, a school’s Technology Coordinator can easily add
that site to the Forbidden Domains list.
Setting up Trusted
and Forbidden
Domains
Trusted Domains — To allow access to a Web site which has been blocked
by the Web Site Filter, type its host name, such as
www.ok-site.com,
into
the Trusted Domains box. Do not use the complete URL of the site, that
is, do not include
http://
. All subdomains are allowed. For example,
adding
3Com.com
also allows
www.3Com.com, my.support.3com.com,
shop.3com.com
andsoforth.Upto256entriesaresupportedinthe
Trusted Domains list. Click Update to send the update to the Firewall.
Forbidden Domains — To block a Web site which has not been blocked
by the Web Site Filter, type its host name, such as
www.bad-site.com
into
the Forbidden Domains box. Do not use the complete URL of the site,
that is, do not include
http://
. All subdomains are blocked. For example,
adding
bad-site.com
also blocks
www.bad-site.com,
my.support.bad-site.com, shop.bad-site.com
and so forth. Click the
Update button to save your changes.
To remove a site which was previously added, select its name in the list
box, and click Delete Domain to send the update to the Firewall.
The following list describes the remaining options on the Custom List tab:
DUA1611-0AAA02.book Page 71 Thursday, August 2, 2001 4:01 PM
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