Chapter 27 Content Filter
ZyWALL ATP Series User’s Guide
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27.3 Content Filter Trusted Web Sites Screen
Click Configuration > Security Service > Content Filter > Trusted Web Sites to open the Trusted Web Sites
screen. You can create a common list of good (allowed) web site addresses. When you configure Filter
Profiles, you can select the option to check the Common Trusted Web Sites list. Use this screen to add or
remove specific sites from the filter list.
Forbidden Web Sites This list displays the forbidden web sites already added.
Enter host names such as www.bad-site.com into this text field. Do not enter the
complete URL of the site – that is, do not include “http://”. All subdomains are
also blocked. For example, entering “*bad-site.com” also blocks “www.bad-
site.com”, “partner.bad-site.com”, “press.bad-site.com”, and do on. You can
also enter just a top level domain. For example, enter “*.com” to block all .com
domains.
Use up to 127 characters (0-9a-z-). The casing does not matter. “*” can be used
as a wildcard to match any string. The entry must contain at least one “.” or it
will be invalid.
Blocked URL Keywords This section allows you to block Web sites with URLs that contain certain
keywords in the domain name or IP address.
Add Click this to create a new entry.
Edit Select an entry and click this to be able to modify it.
Remove Select an entry and click this to delete it.
# This displays the index number of the blocked URL keywords.
Blocked URL Keywords This list displays the keywords already added.
Enter a keyword or a numerical IP address to block. You can also enter a
numerical IP address.
Use up to 127 case-insensitive characters (0-9a-zA-Z;/?:@&=+$\.-_!~*()%). “*”
can be used as a wildcard to match any string. Use “|*” to indicate a single
wildcard character.
For example enter *Bad_Site* to block access to any web page that includes
the exact phrase Bad_Site. This does not block access to web pages that only
include part of the phrase (such as Bad for example).
OK Click OK to save your changes back to the Zyxel Device.
Cancel Click Cancel to exit this screen without saving your changes.
Table 209 Configuration > Security Service > Content Filter > Profile > Custom Service (continued)
LABEL DESCRIPTION
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