Filter
Top Products
Chapter 31 Content Filtering
ZyWALL USG 100/200 Series User’s Guide
545
Java Java is a programming language and development environment for
building downloadable Web components or Internet and intranet
business applications of all kinds.
Cookies Cookies are files stored on a computer’s hard drive. Some web servers
use them to track usage and provide service based on ID.
Web Proxy A server that acts as an intermediary between a user and the Internet to
provide security, administrative control, and caching service. When a
proxy server is located on the WAN it is possible for LAN users to
circumvent content filtering by pointing to this proxy server.
Allow Java/ActiveX/Cookies/
Web proxy to trusted web
sites
When this box is selected, the ZyWALL will permit Java, ActiveX and
Cookies from sites on the Trusted Web Sites list to the LAN. In certain
cases, it may be desirable to allow Java, ActiveX or Cookies from sites
that are known and trusted.
Trusted Web Sites These are sites that you want to allow access to, regardless of their
content rating, can be allowed by adding them to this list.
Add Trusted Web Site Enter host names such as www.good-site.com into this text field. Do
not enter the complete URL of the site – that is, do not include “http://”.
All subdomains are allowed. For example, entering “zyxel.com” also
allows “www.zyxel.com”, “partner.zyxel.com”, “press.zyxel.com”, etc.
Use up to 63 characters (0-9a-z-). The casing does not matter.
Trusted Web Sites This list displays the trusted web sites already added.
Add Click this button when you have finished adding the host name in the
text field above.
Delete Select a web site name from the Trusted Web Sites list, and then click
this button to delete it from that list.
Forbidden Web Site List Sites that you want to block access to, regardless of their content
rating, can be allowed by adding them to this list.
Add Forbidden Web Site 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”, etc.
Use up to 63 characters (0-9a-z-). The casing does not matter.
Forbidden Web Sites This list displays the forbidden web sites already added.
Add Click this button when you have finished adding the host name in the
text field above.
Delete Select a web site name from the Forbidden Web Sites list, and then
click this button to delete it from that list.
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 Blocked URL Keyword Enter a keyword or a numerical IP address to block. You can also enter
a numerical IP address.
Use up to 63 case-insensitive characters (0-9a-zA-Z;/?:@&=+$\.-
_!~*'()%,). 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).
Blocked URL Keywords This list displays the keywords already added.
Add Click this button when you have finished adding the key words field
above.
Table 175 Anti-X > Content Filter > Filter Profile > Customization (continued)
LABEL DESCRIPTION